RH

Robert A. Holliday

📍 Phoenix, AZ: #2,590 of 6,660 inventorsTop 40%
🗺 Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #2,355,334 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4550818 Coin handling apparatus for use in merchandise vending machines — 1985-11-05
4453590 Duty cycle controller Warren L. Williamson 1984-06-12