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Spark plug cleaner
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Patent number 4,062,155
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Issue date Dec 13, 1977
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Wells Manufacturing Corporation
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Roy A. Fricke
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B24 - GRINDING POLISHING
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Sparkplug cleaner
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Patent number 4,028,851
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Issue date Jun 14, 1977
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Roy A. Fricke
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B24 - GRINDING POLISHING
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3913273
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Patent number 3,913,273
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Issue date Oct 21, 1975
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B24 - GRINDING POLISHING
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3868790
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Patent number 3,868,790
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Issue date Mar 4, 1975
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B24 - GRINDING POLISHING
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3704552
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Patent number 3,704,552
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Issue date Dec 5, 1972
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B24 - GRINDING POLISHING
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3604156
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Patent number 3,604,156
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Issue date Sep 14, 1971
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B24 - GRINDING POLISHING
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3538644
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Patent number 3,538,644
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Issue date Nov 10, 1970
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B24 - GRINDING POLISHING
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3435561
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Patent number 3,435,561
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Issue date Apr 1, 1969
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B24 - GRINDING POLISHING
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3385005
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Patent number 3,385,005
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Issue date May 28, 1968
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B24 - GRINDING POLISHING
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2846821
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Patent number 2,846,821
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Issue date Aug 12, 1958
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B24 - GRINDING POLISHING
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2846820
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Patent number 2,846,820
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Issue date Aug 12, 1958
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B24 - GRINDING POLISHING
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2725685
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Patent number 2,725,685
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Issue date Dec 6, 1955
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B24 - GRINDING POLISHING
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2725063
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Patent number 2,725,063
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Issue date Nov 29, 1955
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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2631413
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Patent number 2,631,413
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Issue date Mar 17, 1953
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B24 - GRINDING POLISHING
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2554858
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Patent number 2,554,858
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Issue date May 29, 1951
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B24 - GRINDING POLISHING
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2552801
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Patent number 2,552,801
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Issue date May 15, 1951
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B24 - GRINDING POLISHING
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2515336
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Patent number 2,515,336
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Issue date Jul 18, 1950
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B24 - GRINDING POLISHING
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2505422
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Patent number 2,505,422
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Issue date Apr 25, 1950
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B24 - GRINDING POLISHING
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2475215
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Patent number 2,475,215
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Issue date Jul 5, 1949
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B24 - GRINDING POLISHING
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2467004
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Patent number 2,467,004
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Issue date Apr 12, 1949
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B24 - GRINDING POLISHING
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2458825
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Patent number 2,458,825
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Issue date Jan 11, 1949
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B24 - GRINDING POLISHING
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2431354
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Patent number 2,431,354
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Issue date Nov 25, 1947
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B24 - GRINDING POLISHING
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2376497
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Patent number 2,376,497
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Issue date May 22, 1945
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B24 - GRINDING POLISHING
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2360140
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Patent number 2,360,140
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Issue date Oct 10, 1944
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B24 - GRINDING POLISHING
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2332063
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Patent number 2,332,063
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Issue date Oct 19, 1943
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS