Granted Patent
Utility
US 5,116,066 · App. 07/777,481
Mechanical seal construction and locking assembly for use therein
Inventor:
Sandy L. Crawford
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Oct 15, 1991
Inventor
Sandy L. Crawford
Assignee (at issue)
Utex Industries 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.