Granted Patent
Utility
US 6,582,593 · App. 09/870,172
Transmission sump filter with bypass valve
Inventors:
James B. Wolford, Mitch Kujawski, Morgan Bullard, John E. Szydlo, Yakov Sarnov
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 30, 2001
Inventors
James B. Wolford
Mitch Kujawski
Morgan Bullard
John E. Szydlo
Yakov Sarnov
Assignee (at issue)
SPX Corporation
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.