Granted Patent
Utility
US 4,406,257 · App. 06/274,980
Cam roller follower
Inventors:
Frank E. Keske, Alexander Goloff
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jun 18, 1981
Inventors
Frank E. Keske
Alexander Goloff
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.