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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#35 in Jackson, MI
#3,189 in Michigan
#94,841 in US
Ryerson & Haynes, Inc.
Forward Citations = 37
5 inventors:
Jackson, MI, United States of America
Ryerson & Haynes, Inc.
Forward Citations = 37
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5 inventors (with patents filed for the assignee):
Robert D Davis, Jr (1 out of 6 patents)
Dale W Riley (1 out of 1 patent)
Lynwood C Kraft (1 out of 1 patent)
4. Andrew J Holwerda (1 out of 1 patent)
5. Raymond E Foster (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ryerson & Haynes, Inc.. Retrieved from https://idiyas.com/company/ryerson-and-haynes
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]