Granted Patent
Utility
US 4,966,508 · App. 07/360,132
Work holding device for cutting printed boards
Inventors:
Tamio Otani, Masao Nishigai, Yasuhiko Kanaya
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Jun 1, 1989
Inventors
Tamio Otani
Masao Nishigai
Yasuhiko Kanaya
Assignee (at issue)
Hitachi Seiko Ltd.
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.