Earl R Johnson (1 out of 7 patents)
Lesley G Watkins (1 out of 3 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#296 in Tulsa, OK
#881 in Oklahoma
#136,919 in US
Loffland Brothers
Forward Citations = 7
2 inventors:
Tulsa, OK, United States of America
Loffland Brothers
Calculating rank
Forward Citations = 7
Loading Chart...
Loading Chart...
2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Loffland Brothers. Retrieved from https://idiyas.com/company/loffland-brothers
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]