Granted Patent
Utility
US 5,693,402 · App. 08/520,394
Brake pad which has been pre-burnished using a high intensity heat source
Inventors:
Stephen Chwastiak, Jens H. S. Lamba, Donald L. Burgoon
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Aug 29, 1995
Inventors
Stephen Chwastiak
Jens H. S. Lamba
Donald L. Burgoon
Assignee (at issue)
Performance Friction Corporation
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.