Granted Patent
Utility
US 4,477,504 · App. 06/408,792
Utilization of plastic films to control gas pressure and reduce foam in cellular foam products
Inventors:
Larry E. Bailey, Edward B. Morello
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Aug 17, 1982
Inventors
Larry E. Bailey
Edward B. Morello
Assignee (at issue)
Sheller-Globe Corporation
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.