Granted Patent
Utility
US 6,207,257 · App. 08/290,093
Pressure seal roll product and apparatus and methods using the product to form mailers
Inventor:
Paul M. Cummings
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Aug 15, 1994
Inventor
Paul M. Cummings
Assignee (at issue)
Moore Business Forms, 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.