Granted Patent
Utility
US 4,748,733 · App. 06/902,282
Removal of old split-pin assemblies from guide tubes and replacement by new split-pin assemblies
Inventors:
Joseph Hahn, David A. Howell
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Aug 29, 1986
Inventors
Joseph Hahn
David A. Howell
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.