Granted Patent
Utility
US 4,278,368 · App. 06/094,255
Apparatus and method for compacting material
Inventor:
Richard E. Livesay
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Jul 11, 1979
Inventor
Richard E. Livesay
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.