Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David Hollis — 3 Patents

USUs: 1 patents #4 of 20Top 20%
Morrisville, NC: #375 of 952 inventorsTop 40%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Hollis has been granted 3 US patents while listed as an inventor at Us. The first was granted in 1988 and the most recent in June 2011. David Hollis ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Hollis in Morrisville, NC, US.

Patents per Year

Patents granted per year, 1988 to 2011Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881991: 1 patents19912011: 1 patents2011

Issued Patents All Time

Showing 1–3 of 3 patents

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