Granted Patent
Utility
US 4,632,015 · App. 06/665,847
Tandem brake booster
Inventor:
Robert K. Wilson
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Oct 29, 1984
Inventor
Robert K. Wilson
Assignee (at issue)
ALLIED CONSULTING, 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.