WT

William Thornton

DT Drilltec Patents & Technologies: 3 patents #3 of 19Top 20%
Overall (All Time): #1,272,006 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6367508 Thread protector Darrell Richards, Colin Rush, Henry Campbell King, Vincent Danko Grbic, Edgar Von Rosenberg 2002-04-09
6261037 Connector assembly Darrell Richards, Bryan C. Baker, Bernard Casteran, Cavin Foord 2001-07-17
6196270 Thread protector Darrell Richards, Colin Rush, Henry Campbell King, Vincent Danko Grbic, Edgar Von Rosenberg 2001-03-06
4834352 Clamp 1989-05-30