Granted Patent
Utility
US 6,347,758 · App. 08/898,606
Strain relief main shaft
Inventors:
Ronald D. Mizak, Robert R. Piepho
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Jul 22, 1997
Inventors
Ronald D. Mizak
Robert R. Piepho
Assignee (at issue)
The Babcock & Wilcox Company
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.