Granted Patent
Utility
US 4,560,037 · App. 06/682,582
Spring for a disc brake
Inventors:
Bert A. Gumkowski, Roger W. Oltmanns, Jr.
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Dec 17, 1984
Inventors
Bert A. Gumkowski
Roger W. Oltmanns, Jr.
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.