Granted Patent
Utility
US 4,623,162 · App. 06/665,481
Dual trailing arm vehicle suspension system
Inventors:
David A. Weitzenhof, Charles F. Sayre
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Oct 29, 1984
Inventors
David A. Weitzenhof
Charles F. Sayre
Assignee (at issue)
The Firestone Tire & Rubber 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.