Granted Patent
Utility
US 5,072,639 · App. 07/710,795
Method and apparatus for removing wastepaper from a continuous web of photographic prints
Inventor:
Richard Dolf
Patented Case
View Patent ↗
Granted: Dec 17, 1991
Filed: Jun 5, 1991
Inventor
Richard Dolf
Assignee (at issue)
Gretag Systems, 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.