Forward Citations = 87

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3 inventors (with patents filed for the assignee):

Stewart N Metz (1 out of 3 patents)

Paul R Chervenak (1 out of 3 patents)

John Bierens (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4506910 - Automotive vehicle suspension (1985-03-26),

2. 4497507 - Vehicle axle suspension (1985-02-05),

3. 4171830 - Vehicle suspension lift system (1979-10-23),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#41 in Dearborn, MI

#2,495 in Michigan

#73,860 in US

Dearborn, MI, United States of America

Granning Suspensions, Inc.

Forward Citations = 87

3 inventors:

Stewart N Metz (1 out of 3 patents)

Paul R Chervenak (1 out of 3 patents)

John Bierens (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Granning Suspensions, Inc.. Retrieved from https://idiyas.com/company/granning-suspensions

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]