Granted Patent
Utility
US 4,667,623 · App. 06/829,705
Intake cup apparatus
Inventor:
Ray E. Swartzendruber
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Feb 12, 1986
Inventor
Ray E. Swartzendruber
Assignee (at issue)
Chore-Time Equipment, Inc.
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.