DC

Donald J. Cretzler

📍 San Diego, CA: #257 of 925 inventorsTop 30%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #158,684 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5644724 Point-of-sale tax collection system and method of using same — 1997-07-01