Granted Patent
Utility
US 6,432,307 · App. 09/728,328
Transmission filter with laser welded housing components
Inventors:
John W. Gizowski, Markus Beer, J. Thomas Schriempf
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Dec 1, 2000
Inventors
John W. Gizowski
Markus Beer
J. Thomas Schriempf
Assignee (at issue)
IBS Filtran Kunstoff-/Metallerzeugnisse 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.