Granted Patent
Utility
US 4,185,700 · App. 05/882,541
Circle mounting and circle assembly for a motor grader
Inventors:
Robert Allan Atherton, Donald R. Berchtold, Gene B. Easterling
Patented Case
View Patent ↗
Granted: Jan 29, 1980
Filed: Mar 1, 1978
Inventors
Robert Allan Atherton
Donald R. Berchtold
Gene B. Easterling
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.