Granted Patent
Utility
US 6,554,956 · App. 09/675,329
Method and apparatus for sealing closed envelopes
Inventors:
Donald T. Dolan, Pushpavadan S. Nagarsheth
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 28, 2000
Inventors
Donald T. Dolan
Pushpavadan S. Nagarsheth
Assignee (at issue)
Pitney Bowes 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.