DH

David Hollis

US Us: 1 patents #4 of 20Top 20%
Overall (All Time): #1,561,824 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7963854 Portable automatic golf ball dispenser Ed Nugent, Peter Beames, Charles John Mansfield 2011-06-21
D318859 Hand held bible computer 1991-08-06
4761812 Constant power telephone line circuit John L. Reynolds 1988-08-02