Granted Patent
Utility
US 4,514,981 · App. 06/460,725
Brake booster
Inventors:
Arthur K. Brown, Jr., Keith H. Fulmer, Jerome T. Ewald
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Mar 7, 1983
Inventors
Arthur K. Brown, Jr.
Keith H. Fulmer
Jerome T. Ewald
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.