Zhexin Mi — 6 Patents at Digital Security Controls

Zhexin Mi has been granted 6 US patents while listed as an inventor at Digital Security Controls. The first was granted in 1996 and the most recent in January 2009. Zhexin Mi ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Zhexin Mi in Toronto, ON, CA.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
7474226	Smoke detector calibration	William J. Rattman	2009-01-06
7224284	Smoke detector calibration	William J. Rattman	2007-05-29
6756905	Photoelectric smoke detector and chamber therefor	William J. Rattman	2004-06-29
6161958	Self diagnostic heat detector	William J. Rattman	2000-12-19
5719557	Photoelectric smoke detector	William J. Rattman	1998-02-17
5523743	Self-diagnostic smoke detector	William J. Rattman, John Peterson	1996-06-04

Zhexin Mi — 6 Patents

Issued Patents All Time

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