Granted Patent
Utility
US 6,460,499 · App. 09/761,353
Hydraulic lifter assembly
Inventors:
John R. Mason, David A. Koblic, Jason J. Janeczko
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 16, 2001
Inventors
John R. Mason
David A. Koblic
Jason J. Janeczko
Assignee (at issue)
Tecumseh Products Company
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.