IP Library Granted Patent US 4,491,968
Granted Patent Utility
US 4,491,968 · App. 06/482,961

Status monitor

Inventors: Richard L. Shimp, Dennis A. Zimmerman
Patented Case View Patent ↗
Granted: Jan 1, 1985 Filed: Apr 7, 1983
Inventors
Richard L. Shimp
Dennis A. Zimmerman
Assignee (at issue)
ComSonics, 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 4,491,968
App. No.
06/482,961
Filed
1983-04-07
Granted
1985-01-01
Kind
A