Granted Patent
Utility
US 4,522,554 · App. 06/553,261
Tractor front loader
Inventors:
Frederick Williams, Anthony D. Coe
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Nov 18, 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.