IP Library › Granted Patent US 5,509,507
Granted Patent Utility
US 5,509,507 · App. 08/245,111

Multi-disc brakes

Inventors: Trevor C. Wells, Anthony J. Waring
Patented Case View Patent ↗
Granted: Apr 23, 1996 Filed: May 17, 1994
Inventors
Trevor C. Wells
Anthony J. Waring
Assignee (at issue)
Dunlop Limited, A British 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,509,507
App. No.
08/245,111
Filed
1994-05-17
Granted
1996-04-23
Kind
A