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Current controlled inductor
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Patent number 4,825,184
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Issue date Apr 25, 1989
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The Boeing Company
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Joseph T. Bloch
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H01 - BASIC ELECTRIC ELEMENTS
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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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3863286
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Patent number 3,863,286
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Issue date Feb 4, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3110051
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Patent number 3,110,051
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Issue date Nov 12, 1963
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3064398
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Patent number 3,064,398
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Issue date Nov 20, 1962
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G05 - CONTROLLING REGULATING
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3044093
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Patent number 3,044,093
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Issue date Jul 17, 1962
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B24 - GRINDING POLISHING
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2737675
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Patent number 2,737,675
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Issue date Mar 13, 1956
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H01 - BASIC ELECTRIC ELEMENTS
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2609827
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Patent number 2,609,827
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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2290629
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Issue date Jul 21, 1942
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H01 - BASIC ELECTRIC ELEMENTS
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2253225
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Patent number 2,253,225
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H01 - BASIC ELECTRIC ELEMENTS
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2028170
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Patent number 2,028,170
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H01 - BASIC ELECTRIC ELEMENTS
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1985410
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Patent number 1,985,410
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H01 - BASIC ELECTRIC ELEMENTS
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1818293
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Patent number 1,818,293
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H01 - BASIC ELECTRIC ELEMENTS
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1671843
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H01 - BASIC ELECTRIC ELEMENTS
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1643606
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H01 - BASIC ELECTRIC ELEMENTS
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1601952
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Patent number 1,601,952
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H01 - BASIC ELECTRIC ELEMENTS
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1584325
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Patent number 1,584,325
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H01 - BASIC ELECTRIC ELEMENTS
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1530084
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Patent number 1,530,084
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H01 - BASIC ELECTRIC ELEMENTS
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1511106
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Patent number 1,511,106
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H01 - BASIC ELECTRIC ELEMENTS
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1500852
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Patent number 1,500,852
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H01 - BASIC ELECTRIC ELEMENTS
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1488326
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Patent number 1,488,326
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H01 - BASIC ELECTRIC ELEMENTS
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1486190
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Patent number 1,486,190
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H01 - BASIC ELECTRIC ELEMENTS
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1485347
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Patent number 1,485,347
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H01 - BASIC ELECTRIC ELEMENTS
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1472858
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Patent number 1,472,858
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H01 - BASIC ELECTRIC ELEMENTS
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1463350
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Patent number 1,463,350
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H01 - BASIC ELECTRIC ELEMENTS
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1461904
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Patent number 1,461,904
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Issue date Jul 17, 1923
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H01 - BASIC ELECTRIC ELEMENTS
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1458690
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Patent number 1,458,690
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Issue date Jun 12, 1923
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H01 - BASIC ELECTRIC ELEMENTS
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1458691
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Patent number 1,458,691
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Issue date Jun 12, 1923
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H01 - BASIC ELECTRIC ELEMENTS