Granted Patent
Utility
US 4,968,021 · App. 07/333,702
Fabric turner
Inventors:
Lawrence Wafford, Richard L. Harrington, Hubert Blessing
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Apr 4, 1989
Inventors
Lawrence Wafford
Richard L. Harrington
Hubert Blessing
Assignee (at issue)
Levi Strauss & Co.
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.