Granted Patent
Utility
US 5,319,933 · App. 08/023,405
Proportional speed control of fluid power devices
Inventors:
Carl-Johan Omberg, James P. Janecke
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Feb 26, 1993
Inventors
Carl-Johan Omberg
James P. Janecke
Assignee (at issue)
Applied Power 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.