Granted Patent
Utility
US 5,522,154 · App. 08/300,391
Multi-belt dryer
Inventors:
Richard Hoffman, Aleksander Szyszko
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Sep 2, 1994
Inventors
Richard Hoffman
Aleksander Szyszko
Assignee (at issue)
M&R Printing Equipment, Inc.
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.