IP Library Granted Patent US 4,845,439
Granted Patent Utility
US 4,845,439 · App. 07/169,926

Frequency selective limiting device

Inventors: Steven N. Stitzer, John D. Adam, Gerald I. Klein
Patented Case View Patent ↗
Granted: Jul 4, 1989 Filed: Mar 18, 1988
Inventors
Steven N. Stitzer
John D. Adam
Gerald I. Klein
Assignee (at issue)
Westinghouse Electric Company 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 4,845,439
App. No.
07/169,926
Filed
1988-03-18
Granted
1989-07-04
Kind
A