John Gusdorf and Associates Ltd.

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 60

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7 inventors (with patents filed for the assignee):

Fred D Oberhaus (1 out of 8 patents)

Paul M Denk (1 out of 1 patent)

Lou Mueller (1 out of 1 patent)

4. John Gusdorf (1 out of 6 patents)

5. Liu Cheng-Tien (1 out of 1 patent)

6. Peter Chiang (1 out of 1 patent)

7. Tally Yuan (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 6318570 - Stackable and nestable racks (2001-11-20),

2. 5967360 - Frictionally engaged adjustable wire basket (1999-10-19),

3. 5934639 - Universal bracket for caster attachment to wire fabricated components (1999-08-10),

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USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#399 in St. Louis, MO

#1,031 in Missouri

#73,976 in US

St. Louis, MO, United States of America

John Gusdorf and Associates Ltd.

Forward Citations = 60

7 inventors:

Fred D Oberhaus (1 out of 8 patents)

Paul M Denk (1 out of 1 patent)

Lou Mueller (1 out of 1 patent)

4. John Gusdorf (1 out of 6 patents)

5. Liu Cheng-Tien (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: John Gusdorf and Associates Ltd.. Retrieved from https://idiyas.com/company/john-gusdorf-and-associates

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]