Granted Patent
Utility
US 5,116,557 · App. 07/487,505
Method of making objects having an elastomeric outer wall and a synthetic foam core
Inventors:
Bernard Debaes, Hugo De Winter, Frank G. Nicolaus
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Mar 2, 1990
Inventors
Bernard Debaes
Hugo De Winter
Frank G. Nicolaus
Assignee (at issue)
RECTICEL
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.