Forward Citations = 28

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5 inventors (with patents filed for the assignee):

William C Copenhafer (1 out of 19 patents)

William R Frint (1 out of 7 patents)

Joseph M Ilardi (1 out of 6 patents)

4. Richard W Waggener (1 out of 1 patent)

5. Francis Rauh (1 out of 3 patents)

2 patents: Sort by Forward Citations

1. 4299799 - Carbon treatment of monohydrate crystallizer liquor (1981-11-10),

2. 4288419 - Enhanced recovery of sodium carbonate from NaCl-containing sodium (1981-09-08),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#2 in Green River, WY

#183 in Wyoming

#94,905 in US

Green River, WY, United States of America

Intermountain Research & Develop. Corp.

Forward Citations = 28

5 inventors:

William C Copenhafer (1 out of 19 patents)

William R Frint (1 out of 7 patents)

Joseph M Ilardi (1 out of 6 patents)

4. Richard W Waggener (1 out of 1 patent)

5. Francis Rauh (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Intermountain Research & Develop. Corp.. Retrieved from https://idiyas.com/company/intermountain-research-and-develop

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]