Granted Patent
Utility
US 4,729,227 · App. 07/015,720
Erectable sleeve
Inventor:
James H. Peden
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Feb 17, 1987
Inventor
James H. Peden
Assignee (at issue)
Suburban Manufacturing, LLC
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.