DD

Douglas S. Dennis

SG Silicon Graphics: 2 patents #198 of 758Top 30%
Overall (All Time): #722,311 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10780308 Elastic band for use in a resistance-type exerciser David Frey 2020-09-22
9962571 Exercise apparatus, methods of using, and method of manufacture David Frey 2018-05-08
D812160 Hinged resistance exercise device David Frey 2018-03-06
9713733 Exercise apparatus, methods of using, and method of manufacture David Frey 2017-07-25
9248332 Exercise apparatus, methods of using, and method of manufacture David Frey 2016-02-02
6313836 Three dimensional model with three dimensional pointers and multimedia functions linked to the pointers Sanford H. Russell, Jr., Richard Carey 2001-11-06
5526478 Three dimensional model with three dimensional pointers and multimedia functions linked to the pointers Sanford H. Russell, Jr., Richard Carey 1996-06-11