Granted Patent
Utility
US 4,581,803 · App. 06/686,517
Method of forming double wrap brake bands
Inventors:
John C. Blinks, Lauri J. Kivisto
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Dec 26, 1984
Inventors
John C. Blinks
Lauri J. Kivisto
Assignee (at issue)
BorgWarner 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.