DC

David C. Chrisman

AT AT&T: 1 patents #374 of 1,435Top 30%
📍 Sandston, VA: #1 of 1 inventorsTop 100%
🗺 Virginia: #300 of 1,409 inventorsTop 25%
Overall (1997): #164,323 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5613930 Device for extracting, storing and handling drill bit cassettes Gary John Emrhein 1997-03-25