Granted Patent
Utility
US 4,501,347 · App. 06/511,353
Segmented disc brake pad
Inventors:
Frank T. Cerny, Irving Lapsker
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Jul 6, 1983
Inventors
Frank T. Cerny
Irving Lapsker
Assignee (at issue)
Abex 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.