Granted Patent
Utility
US 4,388,141 · App. 06/212,352
Apparatus for fusing strips
Inventor:
Hubert Blessing
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Dec 3, 1980
Inventor
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.