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-
Appliance for swimmers
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Patent number 4,114,874
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Issue date Sep 19, 1978
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Alvin J. Mattila
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A63 - SPORTS GAMES AMUSEMENTS
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Portable hoist
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Patent number 3,985,342
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Issue date Oct 12, 1976
-
Stephen A. Denman
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B66 - HOISTING LIFTING HAULING
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3875822
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Patent number 3,875,822
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Issue date Apr 8, 1975
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B60 - VEHICLES IN GENERAL
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2808729
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Patent number 2,808,729
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Issue date Oct 8, 1957
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2682004
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Patent number 2,682,004
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Issue date Jun 22, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2555635
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Patent number 2,555,635
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Issue date Jun 5, 1951
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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1511209
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Patent number 1,511,209
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Issue date Oct 14, 1924
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B66 - HOISTING LIFTING HAULING
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1503343
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Patent number 1,503,343
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Issue date Jul 29, 1924
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B66 - HOISTING LIFTING HAULING
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1492634
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Patent number 1,492,634
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Issue date May 6, 1924
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1483251
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Patent number 1,483,251
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Issue date Feb 12, 1924
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B66 - HOISTING LIFTING HAULING
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1483843
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Patent number 1,483,843
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Issue date Feb 12, 1924
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B61 - RAILWAYS
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1480966
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Patent number 1,480,966
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Issue date Jan 15, 1924
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B61 - RAILWAYS
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1466195
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Patent number 1,466,195
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Issue date Aug 28, 1923
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B66 - HOISTING LIFTING HAULING
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1454029
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Patent number 1,454,029
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Issue date May 1, 1923
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B61 - RAILWAYS
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1446271
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Patent number 1,446,271
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Issue date Feb 20, 1923
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B24 - GRINDING POLISHING
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1401869
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Patent number 1,401,869
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Issue date Dec 27, 1921
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B60 - VEHICLES IN GENERAL
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1400093
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Patent number 1,400,093
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Issue date Dec 13, 1921
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1374831
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Patent number 1,374,831
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Issue date Apr 12, 1921
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B66 - HOISTING LIFTING HAULING
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1328306
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Patent number 1,328,306
-
Issue date Jan 20, 1920
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B66 - HOISTING LIFTING HAULING
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1325414
-
Patent number 1,325,414
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Issue date Dec 16, 1919
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B66 - HOISTING LIFTING HAULING
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1281818
-
Patent number 1,281,818
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Issue date Oct 15, 1918
-
B66 - HOISTING LIFTING HAULING
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1279182
-
Patent number 1,279,182
-
Issue date Sep 17, 1918
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B66 - HOISTING LIFTING HAULING
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1252048
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Patent number 1,252,048
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Issue date Jan 1, 1918
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B66 - HOISTING LIFTING HAULING
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1228015
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Patent number 1,228,015
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Issue date May 29, 1917
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B66 - HOISTING LIFTING HAULING
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1223561
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Patent number 1,223,561
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Issue date Apr 24, 1917
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B66 - HOISTING LIFTING HAULING
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1213376
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Patent number 1,213,376
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Issue date Jan 23, 1917
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B66 - HOISTING LIFTING HAULING
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1204165
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Patent number 1,204,165
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Issue date Nov 7, 1916
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B66 - HOISTING LIFTING HAULING
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1201413
-
Patent number 1,201,413
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Issue date Oct 17, 1916
-
B66 - HOISTING LIFTING HAULING
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1189778
-
Patent number 1,189,778
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Issue date Jul 4, 1916
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B66 - HOISTING LIFTING HAULING