Granted Patent
Utility
US 4,186,491 · App. 05/887,207
Gauge assembly
Inventor:
Jerome R. Shawke
Patented Case
View Patent ↗
Granted: Feb 5, 1980
Filed: Mar 16, 1978
Inventor
Jerome R. Shawke
Assignee (at issue)
Warner & Swasey
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.