Granted Patent
Utility
US 4,206,602 · App. 06/031,401
Single lever hydraulic system control mechanism
Inventors:
Gary E. Watson, Edward A. Simi, Richard R. Miller
Patented Case
View Patent ↗
Granted: Jun 10, 1980
Filed: Apr 19, 1979
Inventors
Gary E. Watson
Edward A. Simi
Richard R. Miller
Assignee (at issue)
Douglas Dynamics, L.L.C.
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.