Granted Patent
Utility
US 5,007,356 · App. 07/374,808
Cutter actuator of a button perforating sewing machine
Inventors:
Katsuo Hiratsuka, Yoshiyuki Odaka, Takeshi Yoshida
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Jul 3, 1989
Inventors
Katsuo Hiratsuka
Yoshiyuki Odaka
Takeshi Yoshida
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.