Granted Patent
Utility
US 5,289,972 · App. 07/940,365
Single sheet z-fold mailer
Inventors:
Dean N. Sauerwine, William K. Wetherhold, Jr.
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Sep 3, 1992
Inventors
Dean N. Sauerwine
William K. Wetherhold, Jr.
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.