Forward Citations = 120

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3 inventors (with patents filed for the assignee):

James T Shearer, Jr (1 out of 6 patents)

Robert T Danevicz (1 out of 1 patent)

Charles A Smith (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4411577 - Vehicle sensor monitoring system (1983-10-25),

2. 4336589 - Warehousing monitor and control system (1982-06-22),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#179 in Grand Rapids, MI

#3,189 in Michigan

#94,905 in US

Grand Rapids, MI, United States of America

Rapistan Division, Lear Siegler, Inc.

Forward Citations = 120

3 inventors:

James T Shearer, Jr (1 out of 6 patents)

Robert T Danevicz (1 out of 1 patent)

Charles A Smith (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rapistan Division, Lear Siegler, Inc.. Retrieved from https://idiyas.com/company/rapistan-division-lear-siegler

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]