Granted Patent
Utility
US 5,000,296 · App. 07/398,366
Self-adjusting vehicle wheel drum brake with multiple pawl step
Inventor:
Frank W. Brooks, Sr.
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Aug 24, 1989
Inventor
Frank W. Brooks, Sr.
Assignee (at issue)
General Motors LLC
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.