Granted Patent
Utility
US 6,711,321 · App. 09/926,152
Mechanical optical switch and method for manufacturing the same
Inventors:
Philippe Helin, Makoto Mita, Hiroyuki Fujita
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Sep 13, 2001
Inventors
Philippe Helin
Makoto Mita
Hiroyuki Fujita
Assignee (at issue)
Japan Science and Technology
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.