David A. Goldman

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Yorktown Heights, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical flash card unit and method of use
- Patent number 6,463,258
- Issue date Oct 8, 2002
- David A. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Shaft sensor assembly for angular velocity, torque, and power
- Patent number 6,439,067
- Issue date Aug 27, 2002
- Curtis Instruments, Inc.
- David A. Goldman
- G01 - MEASURING TESTING
Information Patent Grant
Display having selectable simulated illuminating means
- Patent number 6,098,325
- Issue date Aug 8, 2000
- David A. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display having selectable simulated illuminating means
- Patent number 5,881,482
- Issue date Mar 16, 1999
- David A. Goldman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS