Michael J Purvis (1 out of 12 patents)
Joseph L Krechel (1 out of 8 patents)
Company Badge
USPTO Data Jan 1 1976 - Nov 10 2026
1 Patents
#714 in St. Louis, MO
#1,930 in Missouri
#137,142 in US
Control Devices, Incorported
Forward Citations = 23
2 inventors:
St. Louis, MO, United States of America
Control Devices, Incorported
Calculating rank
Forward Citations = 23
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Control Devices, Incorported. Retrieved from https://idiyas.com/company/control-devices-incorported
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]