Granted Patent
Utility
US 4,340,341 · App. 06/199,293
Apparatus for guiding filaments
Inventor:
Max L. Cardell
Patented Case
View Patent ↗
Granted: Jul 20, 1982
Filed: Oct 21, 1980
Inventor
Max L. Cardell
Assignee (at issue)
Fiber Industries, Inc.
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.