Granted Patent
Utility
US 4,519,181 · App. 06/501,953
Sleeve carton end panel and flap folding and sealing assembly
Inventors:
Earle C. Sherman, James B. P. Green, Jr.
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Jun 7, 1983
Inventors
Earle C. Sherman
James B. P. Green, Jr.
Assignees (at issue)
Johns Manville
Southern Tool Company, 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.