Granted Patent
Utility
US 4,928,874 · App. 07/433,669
Mailer-like business form with transparent front
Inventors:
Paul T. Henry, Roger L. Haase, Gary W. Fitzgibbons
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Nov 8, 1989
Inventors
Paul T. Henry
Roger L. Haase
Gary W. Fitzgibbons
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.