% Expired Patents = 33.3

Forward Citations = 8

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3 inventors (with patents filed for the assignee):

Dwight Tangren (1 out of 2 patents)

David B Mohler (1 out of 13 patents)

Kenneth L Roy (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 8522676 - Gravity-induced impact nutcracker (2013-09-03),

2. 6469885 - Power saving circuit for solenoid driver (2002-10-22),

3. 5527117 - Braille printing solenoid housing (1996-06-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#3 in West Carrollton, OH

#2,863 in Ohio

#73,860 in US

West Carrollton, OH, United States of America

Impact Devices Incorporated

Forward Citations = 8

3 inventors:

Dwight Tangren (1 out of 2 patents)

David B Mohler (1 out of 13 patents)

Kenneth L Roy (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Impact Devices Incorporated. Retrieved from https://idiyas.com/company/impact-devices

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]