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David F. Macy
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Mission Viejo, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Single ended tuning fork inertial sensor and method
Patent number
5,522,249
Issue date
Jun 4, 1996
New SD Inc.
David F. Macy
G01 - MEASURING TESTING
Information
Patent Grant
Rotation rate sensor with built in test circuit
Patent number
5,426,970
Issue date
Jun 27, 1995
New S.D., Inc.
Alvin V. Florida
G01 - MEASURING TESTING
Information
Patent Grant
Single ended tuning fork internal sensor and method
Patent number
5,408,876
Issue date
Apr 25, 1995
New SD, Inc
David F. Macy
G01 - MEASURING TESTING
Information
Patent Grant
Single ended tuning fork inertial sensor and method
Patent number
5,343,749
Issue date
Sep 6, 1994
New SD, Inc
David F. Macy
G01 - MEASURING TESTING
Information
Patent Grant
Vibratory angular rate sensing system
Patent number
RE33479
Issue date
Dec 11, 1990
Piezoelectric Technology Investors
William F. Juptner
073 - Measuring and testing
Information
Patent Grant
Vibratory linear acceleration and angular rate sensing system
Patent number
4,930,351
Issue date
Jun 5, 1990
WJM Corporation
David F. Macy
G01 - MEASURING TESTING
Information
Patent Grant
Angular rate sensor system
Patent number
4,654,663
Issue date
Mar 31, 1987
Piezoelectric Technology Investors, Ltd.
Evert C. Alsenz
G01 - MEASURING TESTING
Information
Patent Grant
Vibratory angular rate sensing system
Patent number
4,538,461
Issue date
Sep 3, 1985
Piezoelectric Technology Investors, Inc.
William F. Juptner
G01 - MEASURING TESTING