Granted Patent
Utility
US 5,362,111 · App. 08/125,823
Anti-rotation locking device for preventing separation of coupling nuts from fluid lines
Inventor:
Thomas E. Harbin
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Sep 24, 1993
Inventor
Thomas E. Harbin
Assignee (at issue)
VSI, LLC
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.