Granted Patent
Utility
US 4,519,295 · App. 06/500,517
Vacuum brake boosters
Inventor:
Keith H. Fulmer
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Jun 2, 1983
Inventor
Keith H. Fulmer
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.