Granted Patent
Utility
US 4,332,749 · App. 06/142,996
Process for the production of polyolefine-based fibrids, and the fibrids obtained
Inventor:
Jean-Pierre Pleska
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Apr 23, 1980
Inventor
Jean-Pierre Pleska
Assignee (at issue)
HERCULES 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.