Granted Patent
Utility
US 4,606,413 · App. 06/705,368
Hydraulic leveler arrangement
Inventor:
Kenneth A. Hake
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 25, 1985
Inventor
Kenneth A. Hake
Assignee (at issue)
Kent Manufacturing Co., 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.