Granted Patent
Utility
US 5,509,154 · App. 08/332,833
Air control system for an air bed
Inventors:
David C. Shafer, Eugene F. Duval
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Nov 1, 1994
Inventors
David C. Shafer
Eugene F. Duval
Assignee (at issue)
Select Comfort 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.