John Steven Gray — 4 Patents at Yale Security

John Steven Gray has been granted 4 US patents while listed as an inventor at Yale Security. The first was granted in 2010 and the most recent in November 2011. John Steven Gray ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Steven Gray in Maryville, TN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
8047030	Housing for electronic lock	—	2011-11-01
7990280	Exit alarm escutcheon	—	2011-08-02
7832778	Delayed egress exit device	Andrew Whitaker, Larry R. Hunt, Sidney J. Lampley, Michael Ensley	2010-11-16
7690230	Housing for electronic lock	—	2010-04-06

John Steven Gray — 4 Patents

Issued Patents All Time

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