-
-
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Golf swing evaluation system
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Patent number 4,991,850
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Issue date Feb 12, 1991
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Helm Instrument Co., Inc.
-
Donald F. Wilhlem
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A63 - SPORTS GAMES AMUSEMENTS
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-
-
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Load sensing probe
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Patent number 4,526,044
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Issue date Jul 2, 1985
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Helm Instrument Company, Inc.
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Robert L. Moser
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tie rod tension sensor
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Patent number 4,429,579
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Issue date Feb 7, 1984
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Helm Instrument Co., Inc.
-
Donald F. Wilhelm
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Load sensing probe
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Patent number 4,412,456
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Issue date Nov 1, 1983
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Helm Instrument Company, Inc.
-
Donald F. Wilhelm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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-
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Auto zero circuit
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Patent number 4,119,918
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Issue date Oct 10, 1978
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Helm Instrument Company
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Richard A. Moser
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H03 - BASIC ELECTRONIC CIRCUITRY
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73738292 - ROLLGARD
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Serial number 73738292
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Registration number 1524336
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Filing date Jul 5, 1988
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HELM INSTRUMENT CO., INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73691394 - RAMCORDER
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Serial number 73691394
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Registration number 1494936
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Filing date Oct 23, 1987
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73685186 - FIRSTMATE
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Serial number 73685186
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Registration number 1527870
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Filing date Sep 21, 1987
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73593704 - THREADGARD
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Serial number 73593704
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Registration number 1414840
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Filing date Apr 16, 1986
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73410582 - PARTGARD
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Serial number 73410582
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Registration number 1273389
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Filing date Jan 24, 1983
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73311980 - MULTIGARD
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Serial number 73311980
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Registration number 1193549
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Filing date May 26, 1981
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73231163 - DISTEC
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Serial number 73231163
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Registration number 1163530
-
Filing date Sep 13, 1979
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73231190 - PORTA-PEAK
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Serial number 73231190
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Registration number 1168136
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Filing date Sep 13, 1979
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HELM INSTRUMENT COMPANY, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73231189 - LOADGARD
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Serial number 73231189
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Registration number 1166248
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Filing date Sep 13, 1979
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Helm Instrument Company, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73231158 - HELMSMAN
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Serial number 73231158
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Registration number 1154739
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Filing date Sep 13, 1979
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HELM INSTRUMENT COMPANY, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73231204 - HELM-PAK
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Serial number 73231204
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Registration number 1163531
-
Filing date Sep 13, 1979
-
Helm Instrument Company, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments