Granted Patent
Utility
US 4,548,989 · App. 06/403,626
Fluorocarbon polymer compositions
Inventors:
Christopher M. Allen, Ian R. Hincklieff
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Jul 20, 1982
Inventors
Christopher M. Allen
Ian R. Hincklieff
Assignee (at issue)
USM Holding AG
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.