Granted Patent
Utility
US 4,606,792 · App. 06/513,986
Endless sieve band or composite band for paper machines
Inventors:
Wolfgang Bachmann, Dieter Spahn
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jul 14, 1983
Inventors
Wolfgang Bachmann
Dieter Spahn
Assignee (at issue)
Roda Holding Anstalt
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.