Granted Patent
Utility
US 4,593,635 · App. 06/708,727
Method and apparatus for sewing a slide fastener to fabric pieces
Inventors:
Ronald Boser, Shigeru Tanaka
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Mar 6, 1985
Inventors
Ronald Boser
Shigeru Tanaka
Assignee (at issue)
Yoshida Kogyo K.K.
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.