Granted Patent
Utility
US 4,454,790 · App. 06/373,596
Bolt stretch measurement device
Inventor:
Stuart L. Rieben
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 30, 1982
Inventor
Stuart L. Rieben
Assignee (at issue)
Westinghouse Electric Company 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.