Granted Patent
Utility
US 4,182,057 · App. 05/916,456
Releasable corner tooth assembly
Inventors:
Gene R. Klett, Jerome A. Thies
Patented Case
View Patent ↗
Granted: Jan 8, 1980
Filed: Jun 16, 1978
Inventors
Gene R. Klett
Jerome A. Thies
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.