Granted Patent
Utility
US 4,351,147 · App. 06/197,889
Spun-like yarn
Inventors:
Lawrence E. Blackmon, Darrell A. Kelly, Wayne T. Mowe, Jing-peir Yu
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Oct 17, 1980
Inventors
Lawrence E. Blackmon
Darrell A. Kelly
Wayne T. Mowe
Jing-peir Yu
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.