Granted Patent
Utility
US 4,571,943 · App. 06/585,082
Tandem brake booster with hydraulic mechanism for rear diaphragm force reversal
Inventor:
Robert F. Gaiser
Patented Case
View Patent ↗
Granted: Feb 25, 1986
Filed: Mar 1, 1984
Inventor
Robert F. Gaiser
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.