Granted Patent
Utility
US 4,926,948 · App. 07/372,909
Method and apparatus for controlling motorgrader cross slope cut
Inventors:
James B. Davidson, Peter N. Kaz, Michael H. Kidwell, Mark Zachman
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Jun 28, 1989
Inventors
James B. Davidson
Peter N. Kaz
Michael H. Kidwell
Mark Zachman
Assignee (at issue)
Spectra-Physics, Inc.
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.