Granted Patent
Utility
US 6,796,546 · App. 10/187,273
Valve assembly
Inventors:
Kevin R. Wayman, Drew A. Crafton, Joel E. Mowatt
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jun 26, 2002
Inventors
Kevin R. Wayman
Drew A. Crafton
Joel E. Mowatt
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.