Granted Patent
Utility
US 4,702,868 · App. 07/017,674
Moldable silane-crosslinked polyolefin foam beads
Inventors:
Thomas M. Pontiff, Frederick H. Collins
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: Feb 24, 1987
Inventors
Thomas M. Pontiff
Frederick H. Collins
Assignee (at issue)
Valcour 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.