Granted Patent
Utility
US 5,433,138 · App. 08/215,507
Tamper-resistant brake actuator
Inventors:
Graydon J. Choinski, Allen L. Gummer, David W. Brooks
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Mar 22, 1994
Inventors
Graydon J. Choinski
Allen L. Gummer
David W. Brooks
Assignee (at issue)
INDIAN HEAD INDUSTRIES, 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.