IP Library › Granted Patent US 4,870,868
Granted Patent Utility
US 4,870,868 · App. 07/186,843

Vibration sensing apparatus

Inventors: Raymond F. Gastgeb, Edward Tom
Patented Case View Patent ↗
Granted: Oct 3, 1989 Filed: Apr 27, 1988
Inventors
Raymond F. Gastgeb
Edward Tom
Assignee (at issue)
Pennwalt Corporation

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 4,870,868
App. No.
07/186,843
Filed
1988-04-27
Granted
1989-10-03
Kind
A