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For the Inventor, By the Inventor

Oakland, CA, United States of America

Infrastructure Instruments Inc.


USPTO Granted Patents = 3

Forward Citations = 39

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2 inventors (with patents filed for the assignee):

goldMedal Alexander McEachern (3 out of 34 patents)

silverMedal Joseph Ungerer (1 out of 1 patent)


3 patents:

1. 5789677 - Dual-axis force feedback accelerometer (1998-08-04),
2. 5530738 - Electric power measuring instrument with speech synthesis feature (1996-06-25),
3. 5526694 - Instrument for detecting hidden structural damage in multi-story (1996-06-18),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#126 in Oakland, CA

#16,817 in California

#73,706 in US

Oakland, CA (US)
Oakland, CA, United States of America

Infrastructure Instruments Inc.

Forward Citations = 39

2 inventors:

goldMedal Alexander McEachern (3 out of 34 patents)

silverMedal Joseph Ungerer (1 out of 1 patent)

Please report any incorrect information to [email protected]
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