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Two-stroke combustion engines
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Patent number 4,094,278
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Issue date Jun 13, 1978
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Walter Franke
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Two-stroke combustion engines
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Patent number 3,981,280
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Issue date Sep 21, 1976
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Walter Franke
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Internal combustion engines
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Patent number 3,931,812
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Issue date Jan 13, 1976
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David Brown Tractors Limited
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Herbert Edward Ashfield
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3810450
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Patent number 3,810,450
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Issue date May 14, 1974
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3695238
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Patent number 3,695,238
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Issue date Oct 3, 1972
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3604403
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Patent number 3,604,403
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Issue date Sep 14, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3499425
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Patent number 3,499,425
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Issue date Mar 10, 1970
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3498052
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Patent number 3,498,052
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Issue date Mar 3, 1970
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3446013
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Patent number 3,446,013
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Issue date May 27, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3374776
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Patent number 3,374,776
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Issue date Mar 26, 1968
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3338509
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Patent number 3,338,509
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Issue date Aug 29, 1967
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3318294
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Patent number 3,318,294
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Issue date May 9, 1967
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3203263
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Patent number 3,203,263
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Issue date Aug 31, 1965
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3198180
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Patent number 3,198,180
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Issue date Aug 3, 1965
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3192913
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Patent number 3,192,913
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Issue date Jul 6, 1965
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3174275
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Patent number 3,174,275
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Issue date Mar 23, 1965
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3148668
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Patent number 3,148,668
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Issue date Sep 15, 1964
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2814281
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Patent number 2,814,281
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Issue date Nov 26, 1957
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2745390
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Patent number 2,745,390
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Issue date May 15, 1956
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2722924
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Patent number 2,722,924
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Issue date Nov 8, 1955
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2594845
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Patent number 2,594,845
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Issue date Apr 29, 1952
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2588261
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Patent number 2,588,261
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Issue date Mar 4, 1952
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2586621
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Patent number 2,586,621
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Issue date Feb 19, 1952
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2565002
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Patent number 2,565,002
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Issue date Aug 21, 1951
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2551478
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Patent number 2,551,478
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Issue date May 1, 1951
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2532273
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Patent number 2,532,273
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Issue date Nov 28, 1950
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2509538
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Patent number 2,509,538
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Issue date May 30, 1950
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2425157
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Patent number 2,425,157
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Issue date Aug 5, 1947
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2412253
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Patent number 2,412,253
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Issue date Dec 10, 1946
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2394970
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Patent number 2,394,970
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Issue date Feb 19, 1946
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS