Granted Patent
Utility
US 6,569,330 · App. 09/620,201
Filter coalescer cartridge
Inventors:
Gregory S. Sprenger, Michael J. Gish
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jul 19, 2000
Inventors
Gregory S. Sprenger
Michael J. Gish
Assignee (at issue)
Velcon Filters, 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.