Granted Patent
Utility
US 4,316,768 · App. 06/169,950
Pulse free stock screen and combination pump
Inventor:
Denis A. Goddard
Patented Case
View Patent ↗
Granted: Feb 23, 1982
Filed: Jul 18, 1980
Inventor
Denis A. Goddard
Assignee (at issue)
Beloit 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.