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USPTO Data Jan 1 1976 - Sep 15 2026
2 Patents
#443 in Cleveland, OH
#3,639 in Ohio
#94,628 in US
Nottingham Spirk, LLC
Forward Citations = 48
8 inventors:
Cleveland, OH, United States of America
Nottingham Spirk, LLC
% Expired Patents = 50.0
Forward Citations = 48
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8 inventors (with patents filed for the assignee):
Craig Saunders (2 out of 95 patents)
Jerry P DeGreen (1 out of 3 patents)
John Richard Nottingham (1 out of 246 patents)
4. Jeffrey M Kalman (1 out of 55 patents)
5. Jeffrey Kalman (1 out of 20 patents)
6. John Spirk (1 out of 50 patents)
7. Evan Spirk (1 out of 11 patents)
8. Lindsey Tufts, Jr (1 out of 7 patents)
2 patents:
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]
Please report any incorrect information to [email protected]