Granted Patent
Utility
US 4,390,214 · App. 06/340,556
Crawler track structure having wear surface
Inventors:
Jonas L. Gunter, Doyle V. Haren, Anatoli Hofle, Richard D. Medford
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Jan 18, 1982
Inventors
Jonas L. Gunter
Doyle V. Haren
Anatoli Hofle
Richard D. Medford
Assignee (at issue)
DayCo Holdings, LP
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.