Granted Patent
Utility
US 4,483,228 · App. 06/343,241
Rotary cutter wheel for continuous filamentary tow
Inventors:
Roland Waite, Walter Jeffrey Stikeleather
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Jan 27, 1982
Inventors
Roland Waite
Walter Jeffrey Stikeleather
Assignee (at issue)
Celanese GmbH
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.