Granted Patent
Utility
US 6,030,004 · App. 08/987,195
High torque threaded tool joint for drill pipe and other drill stem components
Inventors:
William Schock, Steven Paul Howard, James G. Vogelsang, Richard L. Clark, Michael D. Rose
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Dec 8, 1997
Inventors
William Schock
Steven Paul Howard
James G. Vogelsang
Richard L. Clark
Michael D. Rose
Assignee (at issue)
Shaw Industries Group, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.