Granted Patent
Utility
US 4,865,517 · App. 07/217,761
Blower with clam shell housing
Inventor:
Richard F. Beehler
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Jul 11, 1988
Inventor
Richard F. Beehler
Assignee (at issue)
Heil-Quaker 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.