WS

William C. Shafer

OS Oil & Gas Rental Services: 5 patents #2 of 6Top 35%
📍 Berwick, LA: #2 of 10 inventorsTop 20%
🗺 Louisiana: #1,356 of 10,876 inventorsTop 15%
Overall (All Time): #1,042,913 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6644413 Method of landing items at a well location Burt A. Adams, Norman A. Henry 2003-11-11
6378614 Method of landing items at a well location Burt A. Adams, Norman A. Henry 2002-04-30
6364012 Drill pipe handling apparatus Burt A. Adams, Norman A. Henry 2002-04-02
6349764 Drilling rig, pipe and support apparatus Burt A. Adams, Norman A. Henry 2002-02-26
6148924 Method and apparatus for the disassembly of drill pipe 2000-11-21