Granted Patent
Utility
US 4,006,834 · App. 05/649,310
Tilt linkage for loader buckets
Inventors:
Reynold M. Anderson, Donald E. Tullar
Patented Case
View Patent ↗
Granted: Feb 8, 1977
Filed: Jan 15, 1976
Inventors
Reynold M. Anderson
Donald E. Tullar
Assignee (at issue)
Caterpillar Tractor Co.
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.