Granted Patent
Utility
US 4,715,530 · App. 07/025,724
Two-part mailer with return envelope
Inventors:
David J. Leese, Robert E. Ashby
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Mar 13, 1987
Inventors
David J. Leese
Robert E. Ashby
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.