Granted Patent
Utility
US 4,738,270 · App. 06/931,185
Arcuate path cage sweep
Inventors:
Michael L. Huhman, Wayne M. Tiffany, Ronald W. Baldwin
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Nov 17, 1986
Inventors
Michael L. Huhman
Wayne M. Tiffany
Ronald W. Baldwin
Assignee (at issue)
Deutz-Allis Corporation
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.