Granted Patent
Utility
US 5,508,109 · App. 08/132,762
Fiber blend for low cost, asbestos free friction material
Inventors:
Arvind S. Patil, George P. Boyd, Jr.
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Oct 6, 1993
Inventors
Arvind S. Patil
George P. Boyd, Jr.
Assignees (at issue)
AVCO Corporation
Monsanto Company
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.