DP

Dwight B. Pfenning

📍 Norman, OK: #339 of 626 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,904,027 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4929818 Method and apparatus for vending a containerized product on multiple occasions following at least one refill of the container with the product Harold M. Bradbury, William R. Corlett, Roscoe Mays, Jr. 1990-05-29