For the Inventor, By the Inventor

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Carlisle, PA, United States of America

Piezo Crystal Company

USPTO Granted Patents = 2

Forward Citations = 14

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4 inventors (with patents filed for the assignee):

William Paynter Hanson (1 out of 6 patents)

Leslie C Hurley (1 out of 2 patents)

Timothy E Wickard (1 out of 1 patent)

4. Charles Jensik (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5696422 - Crystal package (1997-12-09),

2. 5004987 - Temperature compensated crystal resonator found in a dual-mode oscillator (1991-04-02),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#12 in Carlisle, PA

#3,355 in Pennsylvania

#92,637 in US

Carlisle, PA, United States of America

Piezo Crystal Company

Forward Citations = 14

4 inventors:

William Paynter Hanson (1 out of 6 patents)

Leslie C Hurley (1 out of 2 patents)

Timothy E Wickard (1 out of 1 patent)

4. Charles Jensik (1 out of 1 patent)

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