Granted Patent
Utility
US 6,547,136 · App. 09/723,021
Verifiable carrier payment method for returning merchandise
Inventor:
Ronald P. Sansone
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Nov 27, 2000
Inventor
Ronald P. Sansone
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.