Granted Patent
Utility
US 4,812,285 · App. 07/058,952
Instrumentation port clamps and clamping systems
Inventor:
Cecil R. Stapleton
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Jun 5, 1987
Inventor
Cecil R. Stapleton
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.