Granted Patent
Utility
US 6,769,963 · App. 09/995,228
IC handler and contact cleaning method
Inventors:
Tadashi Mitsui, Tohru Tanaka
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Nov 27, 2001
Inventors
Tadashi Mitsui
Tohru Tanaka
Assignee (at issue)
Ando Electric Co., 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.