Joseph Ernest Dryer (1 out of 5 patents)
Dean E Rose (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#22 in Worthington, OH
#5,265 in Ohio
#136,966 in US
Transportation Safety Products, Ltd.
Forward Citations = 1
2 inventors:
Worthington, OH, United States of America
Transportation Safety Products, Ltd.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 1
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Transportation Safety Products, Ltd.. Retrieved from https://idiyas.com/company/transportation-safety-products
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]