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.