IP Library › Granted Patent US 4,553,655
Granted Patent Utility
US 4,553,655 · App. 06/556,475

Two-stage clutch damper assembly

Inventors: Thaddeus Lech, Jr., Paul Louis Schmitz
Patented Case View Patent ↗
Granted: Nov 19, 1985 Filed: Nov 30, 1983
Inventors
Thaddeus Lech, Jr.
Paul Louis Schmitz
Assignee (at issue)
BorgWarner Inc.

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 4,553,655
App. No.
06/556,475
Filed
1983-11-30
Granted
1985-11-19
Kind
A