Granted Patent
Utility
US 4,147,263 · App. 05/757,397
High lift loader with extended transfer
Inventors:
Sherman B. Frederick, Ernst A. Dahlquist
Patented Case
View Patent ↗
Granted: Apr 3, 1979
Filed: Jan 6, 1977
Inventors
Sherman B. Frederick
Ernst A. Dahlquist
Assignee (at issue)
Lull Engineering Company, 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.