Granted Patent
Utility
US 4,240,466 · App. 06/003,172
Push-pull coupling
Inventors:
Eugene H. Herzan, Stanlee W. Meisinger
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Jan 15, 1979
Inventors
Eugene H. Herzan
Stanlee W. Meisinger
Assignee (at issue)
Parker-Hannifin Corporation
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.