Granted Patent
Utility
US 4,950,133 · App. 07/271,998
Air blower assembly
Inventor:
Ronald J. Sargent
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Nov 15, 1988
Inventor
Ronald J. Sargent
Assignee (at issue)
Alopex Industries, 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.