IP Library Granted Patent US 4,690,664
Granted Patent Utility
US 4,690,664 · App. 06/725,966

Toothed belt

Inventor: Robert E. Wetzel
Patented Case View Patent ↗
Granted: Sep 1, 1987 Filed: Apr 22, 1985
Inventor
Robert E. Wetzel
Assignee (at issue)
Dayco Products, LLC

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 4,690,664
App. No.
06/725,966
Filed
1985-04-22
Granted
1987-09-01
Kind
A