Specialty Equipment, Inc.

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 59

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3 inventors (with patents filed for the assignee):

Donald P Chisholm, Jr (2 out of 2 patents)

Ronald D Upton (1 out of 15 patents)

Harry A Brancheau (1 out of 18 patents)

3 patents: Sort by Forward Citations

1. 6273276 - Gravity flow shelving system (2001-08-14),

2. 4759741 - Vari-gap drive system for box folders and the like (1988-07-26),

3. 4696392 - Cage roll assembly (1987-09-29),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#43 in Aurora, IL

#3,453 in Illinois

#73,929 in US

Aurora, IL, United States of America

Specialty Equipment, Inc.

Forward Citations = 59

3 inventors:

Donald P Chisholm, Jr (2 out of 2 patents)

Ronald D Upton (1 out of 15 patents)

Harry A Brancheau (1 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Specialty Equipment, Inc.. Retrieved from https://idiyas.com/company/specialty-equipment

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]