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Bicycle drive system
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Patent number 7,434,489
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Issue date Oct 14, 2008
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Peter Scranton
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Miter gear transmission
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Patent number 7,267,023
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Issue date Sep 11, 2007
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Edmund Kurt Wallasch
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Variable speed drive for a bicycle
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Patent number 5,342,075
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Issue date Aug 30, 1994
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David Williams
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multispeed, shaft-driven vehicle drive
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Patent number 5,228,354
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Issue date Jul 20, 1993
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Massachusetts Institute of Technology
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Dantar P. Oosterwal
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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C-axle gearing
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Patent number 5,048,360
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Issue date Sep 17, 1991
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Boehringer Werkzeugmaschinen GmbH
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Siegfried Kuhn
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Transmission
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Patent number 4,955,247
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Issue date Sep 11, 1990
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Ernest H. Marshall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3863503
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Patent number 3,863,503
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Issue date Feb 4, 1975
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3236115
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Patent number 3,236,115
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Issue date Feb 22, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3129659
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Patent number 3,129,659
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Issue date Apr 21, 1964
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2947189
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Patent number 2,947,189
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Issue date Aug 2, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2785590
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Patent number 2,785,590
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Issue date Mar 19, 1957
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2747422
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Patent number 2,747,422
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Issue date May 29, 1956
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B60 - VEHICLES IN GENERAL
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2523945
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Patent number 2,523,945
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Issue date Sep 26, 1950
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B60 - VEHICLES IN GENERAL
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2510409
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Patent number 2,510,409
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Issue date Jun 6, 1950
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2464678
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Patent number 2,464,678
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Issue date Mar 15, 1949
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2430169
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Patent number 2,430,169
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Issue date Nov 4, 1947
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2197361
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Patent number 2,197,361
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Issue date Apr 16, 1940
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2092736
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Patent number 2,092,736
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Issue date Sep 7, 1937
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2085182
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Patent number 2,085,182
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Issue date Jun 29, 1937
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1988182
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Patent number 1,988,182
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Issue date Jan 15, 1935
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1683240
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Patent number 1,683,240
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Issue date Sep 4, 1928
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1497470
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Patent number 1,497,470
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Issue date Jun 10, 1924
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1471730
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Patent number 1,471,730
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Issue date Oct 23, 1923
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G05 - CONTROLLING REGULATING