Granted Patent
Utility
US 6,481,409 · App. 09/820,414
Electro-hydraulic control module for deactivating intake and exhaust valves
Inventors:
Richard Wade, Edgar E. Roberts
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Mar 29, 2001
Inventors
Richard Wade
Edgar E. Roberts
Assignee (at issue)
Fasco Controls, 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.