Granted Patent
Utility
US 5,501,147 · App. 08/132,664
Automatic doffing system
Inventors:
David Jaffa, Sandor Szarka
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Oct 5, 1993
Inventors
David Jaffa
Sandor Szarka
Assignee (at issue)
Precision Screen Machines, 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.