Granted Patent
Utility
US 6,071,089 · App. 09/027,121
Hydraulic diaphragm pump
Inventors:
Eugen Maier, Michael Raymond Raney, Donald J. Moran, Jr., Jeffrey Mark Noll
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Feb 20, 1998
Inventors
Eugen Maier
Michael Raymond Raney
Donald J. Moran, Jr.
Jeffrey Mark Noll
Assignee (at issue)
General Motors LLC
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.