Granted Patent
Utility
US 4,756,067 · App. 06/891,016
Manual replacement of old split-pin assemblies by new split-pin assemblies
Inventors:
David A. Howell, Arthur W. Kramer, Joseph Hahn
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Jul 31, 1986
Inventors
David A. Howell
Arthur W. Kramer
Joseph Hahn
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.