Douglas Dean Olson (1 out of 10 patents)
Joe Beitelspacher (1 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#6 in Eldridge, IA
#898 in Iowa
#137,062 in US
Lewis Machine & Tool Co.
Forward Citations = 1
2 inventors:
Eldridge, IA, United States of America
Lewis Machine & Tool Co.
Calculating rank
Trademarks = 6
Forward Citations = 1
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lewis Machine & Tool Co.. Retrieved from https://idiyas.com/company/lewis-machine-and-tool-company
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]