Granted Patent
Utility
US 6,038,778 · App. 09/096,910
Shaft compression packing ruler
Inventor:
Albert L. Harrelson, III
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jun 12, 1998
Inventor
Albert L. Harrelson, III
Assignee (at issue)
Garlock, 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.