Granted Patent
Utility
US 4,984,733 · App. 07/403,814
Dual mailer construction
Inventor:
Daniel L. Dunn
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Sep 7, 1989
Inventor
Daniel L. Dunn
Assignee (at issue)
Uarco Incorporated
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.