Granted Patent
Utility
US 4,844,510 · App. 07/051,843
Tubular connector
Inventors:
David H. Theiss, James P. McEver
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: May 18, 1987
Inventors
David H. Theiss
James P. McEver
Assignee (at issue)
Cameron Iron Works USA, 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.