IP Library › Granted Patent US 5,144,522
Granted Patent Utility
US 5,144,522 · App. 07/689,168

Critically damped capacitor and method of making same

Inventor: Richard N. Marsh
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Apr 22, 1991
Inventor
Richard N. Marsh
Assignee (at issue)
Constant Velocity Transmission Lines, 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 5,144,522
App. No.
07/689,168
Filed
1991-04-22
Granted
1992-09-01
Kind
A