IP Library › Granted Patent US 5,155,984
Granted Patent Utility
US 5,155,984 · App. 07/690,576

Implement height control

Inventor: Ronald T. Sheehan
Patented Case View Patent ↗
Granted: Oct 20, 1992 Filed: Apr 24, 1991
Inventor
Ronald T. Sheehan
Assignee (at issue)
Ford New Holland, 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 5,155,984
App. No.
07/690,576
Filed
1991-04-24
Granted
1992-10-20
Kind
A