Granted Patent
Utility
US 4,351,362 · App. 06/193,753
Rotary valve
Inventors:
James C. Solie, Samuel B. McClocklin
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Oct 3, 1980
Inventors
James C. Solie
Samuel B. McClocklin
Assignee (at issue)
Owatonna Tool 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.