-
Compressor valve
-
Patent number 5,511,583
-
Issue date Apr 30, 1996
-
Dover Resources, Inc.
-
H. Eugene Bassett
-
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fuel injection valve
-
Patent number 5,346,136
-
Issue date Sep 13, 1994
-
Dover Resources, Inc.
-
H. Eugene Bassett
-
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
-
Sucker rod end fitting
-
Patent number 5,253,946
-
Issue date Oct 19, 1993
-
Dover Resources, Inc.
-
Damon L. Watkins
-
E21 - EARTH DRILLING MINING
-
Liquid level controller
-
Patent number 4,700,738
-
Issue date Oct 20, 1987
-
Dover Resources, Inc.
-
John J. Frese
-
G05 - CONTROLLING REGULATING
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Motor protection system and process
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Patent number 4,695,779
-
Issue date Sep 22, 1987
-
Sargent Oil Well Equipment Company of Dover Resources, Incorporated
-
Kenneth H. Yates
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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75415372 - VORTEX COOLING
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Serial number 75415372
-
Registration number 2258984
-
Filing date Jan 8, 1998
-
Dover Resources, Inc.
-
7 - Machines and machine tools
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75415079 - FINITE GAP
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Serial number 75415079
-
Registration number 2262469
-
Filing date Jan 8, 1998
-
Dover Resources, Inc.
-
7 - Machines and machine tools
-
74094056 - REBECCA
-
Serial number 74094056
-
Registration number 1652170
-
Filing date Sep 4, 1990
-
DOVER RESOURCES, INC.
-
7 - Machines and machine tools
-
74079497 - MANLEY
-
Serial number 74079497
-
Registration number 1721394
-
Filing date Jul 18, 1990
-
Dover Resources, Inc.
-
7 - Machines and machine tools
-
73730017 - THOROBRED
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Serial number 73730017
-
Registration number 1514356
-
Filing date May 23, 1988
-
DOVER RESOURCES, INC.
-
7 - Machines and machine tools
-
73628021 - RONNINGEN-PETTER
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Serial number 73628021
-
Registration number 1456269
-
Filing date Oct 31, 1986
-
DOVER RESOURCES, INC.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
73575280 - LEV-FLEX
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Serial number 73575280
-
Registration number 1406569
-
Filing date Dec 26, 1985
-
DOVER RESOURCES, INC.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
73575281 - N NORRISEAL CONTROLS
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Serial number 73575281
-
Registration number 1518677
-
Filing date Dec 26, 1985
-
DOVER RESOURCES, INC.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments