Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
3 Patents
#134 in Grand Rapids, MI
#2,496 in Michigan
#73,926 in US
Gr Spring & Stamping, Inc.
Forward Citations = 8
6 inventors:
Grand Rapids, MI, United States of America
Gr Spring & Stamping, Inc.
Calculating rank
% Expired Patents = 33.3
Forward Citations = 8
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6 inventors (with patents filed for the assignee):
Jeffrey A Lawrence (3 out of 3 patents)
Ronald E Weber (3 out of 3 patents)
Dennis M Willyard (3 out of 3 patents)
4. Wade R Pennington (2 out of 2 patents)
5. Guangyu Zhang (1 out of 2 patents)
6. Merle L Staup (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gr Spring & Stamping, Inc.. Retrieved from https://idiyas.com/company/gr-spring-and-stamping
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]