Granted Patent
Utility
US 4,617,355 · App. 06/670,188
Cross-linked nylon block copolymers
Inventors:
James D. Gabbert, Ross M. Hedrick
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Nov 13, 1984
Inventors
James D. Gabbert
Ross M. Hedrick
Assignee (at issue)
DSM Rim Nylon V.O.F.
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.