Granted Patent
Utility
US 6,394,162 · App. 09/728,322
Fluid filter manufacturing apparatus
Inventors:
John W. Gizowski, Markus Beer, J. Thomas Schriempf
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Dec 1, 2000
Inventors
John W. Gizowski
Markus Beer
J. Thomas Schriempf
Assignees (at issue)
IBS Filtran Kunstoff-/Metallererzeugnisse GmbH Industriestr
SPX Corporation-Filtran
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.