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For the Inventor, By the Inventor

Aurora, IL, United States of America

Specialty Equipment, Inc.


USPTO Granted Patents = 3

Forward Citations = 59

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3 inventors (with patents filed for the assignee):

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

silverMedal Ronald D Upton (1 out of 15 patents)

bronzeMedal Harry A Brancheau (1 out of 18 patents)


3 patents:

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 - Dec 30 2025

3 Patents

#41 in Aurora, IL

#3,363 in Illinois

#72,042 in US

...
Aurora, IL, United States of America

Specialty Equipment, Inc.

Forward Citations = 59

3 inventors:

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

silverMedal Ronald D Upton (1 out of 15 patents)

bronzeMedal Harry A Brancheau (1 out of 18 patents)

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