Forward Citations = 8

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2 inventors (with patents filed for the assignee):

Frans G Van Der Bel (1 out of 7 patents)

Frans G Vanderbel (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. D327952 - Light source for fiber optic medical instruments and the like (1992-07-14),

2. 4975810 - Light source (1990-12-04),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#13 in Southbridge, MA

#4,928 in Massachusetts

#94,841 in US

Southbridge, MA, United States of America

Instrument Research Corporation

Forward Citations = 8

2 inventors:

Frans G Van Der Bel (1 out of 7 patents)

Frans G Vanderbel (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Instrument Research Corporation. Retrieved from https://idiyas.com/company/instrument-research

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]