Granted Patent
Utility
US 4,296,535 · App. 06/001,618
Apparatus for texturizing continuous filaments
Inventors:
Hsin L. Li, Hendrikus J. Oswald, Alfred L. Liland
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jan 8, 1979
Inventors
Hsin L. Li
Hendrikus J. Oswald
Alfred L. Liland
Assignee (at issue)
Allied Chemical Corporation
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.