Peter C Ridgway (1 out of 4 patents)
Derek F Case (1 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#3 in Staines
#9,890 in United Kingdom
Data Recording Instruments Limited
Forward Citations = 10
2 inventors:
Data Recording Instruments Limited
Forward Citations = 10
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Data Recording Instruments Limited. Retrieved from https://idiyas.com/company/data-recording-instruments
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]