Granted Patent
Utility
US 4,957,052 · App. 07/338,818
Triple folding device for folding a towel hem
Inventors:
Kenichi Sotome, Munetaka Nagasaki
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Apr 17, 1989
Inventors
Kenichi Sotome
Munetaka Nagasaki
Assignee (at issue)
SSMC 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.