Granted Patent
Utility
US 5,623,965 · App. 08/550,323
Low effort vacuum valve assembly with rotary actuator
Inventors:
Chris R. Snider, Curtis Allen Stapert
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Oct 30, 1995
Inventors
Chris R. Snider
Curtis Allen Stapert
Assignee (at issue)
DELCO ELECTRONICS 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.