IP Library Granted Patent US 4,498,839
Granted Patent Utility
US 4,498,839 · App. 06/502,051

Tractor front loaders

Inventors: Frederick Williams, Anthony D. Coe
Patented Case View Patent ↗
Granted: Feb 12, 1985 Filed: Jun 7, 1983
Inventors
Frederick Williams
Anthony D. Coe
Assignee (at issue)
David Brown Tractors Ltd.

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 4,498,839
App. No.
06/502,051
Filed
1983-06-07
Granted
1985-02-12
Kind
A