RB

Robert A. Berryhill

📍 Greensboro, NC: #268 of 1,557 inventorsTop 20%
🗺 North Carolina: #10,032 of 45,564 inventorsTop 25%
Overall (All Time): #1,045,026 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6454111 Compost receptacle — 2002-09-24
5247809 Air washer and method — 1993-09-28
4711649 Air filter and method — 1987-12-08
4386599 Fireplace stove — 1983-06-07
D259275 Stove — 1981-05-19