Forward Citations = 29

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3 inventors (with patents filed for the assignee):

Jamshid Hamidi (1 out of 1 patent)

Roger V Hort (1 out of 1 patent)

David L Haessig (1 out of 3 patents)

1 patent: Sort by Forward Citations

1. 4942921 - Forced air ventilation system (1990-07-24),

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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#718 in undefined, undefined

#1,517 in

#136,739 in US

US

Staefa Control Systems, Inc.

Forward Citations = 29

3 inventors:

Jamshid Hamidi (1 out of 1 patent)

Roger V Hort (1 out of 1 patent)

David L Haessig (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Staefa Control Systems, Inc.. Retrieved from https://idiyas.com/company/staefa-control-systems

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]