Granted Patent
Utility
US 6,202,616 · App. 09/251,168
Valve seal assembly for an internal combustion engine
Inventor:
Gary J. Gracyalny
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Feb 17, 1999
Inventor
Gary J. Gracyalny
Assignee (at issue)
Briggs & Stratton, 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.