William Risdall — 7 Patents at Smith System

William Risdall has been granted 7 US patents while listed as an inventor at Smith System. The first was granted in 2003 and the most recent in July 2016. William Risdall ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list William Risdall in Dallas, TX, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
9392872	Multi-directional body motion stack chair	Kenneth J. Saint Pierre, Maurice F. Johnson	2016-07-19
9072384	Multi-directional body motion stack chair	Kenneth J. Saint Pierre, Maurice F. Johnson	2015-07-07
D672571	Modular chat chair with shield	—	2012-12-18
D671761	Modular chat chair	—	2012-12-04
D523663	Arc desk	—	2006-06-27
D501741	Two student arc desk	—	2005-02-15
D480583	Desk	—	2003-10-14

William Risdall — 7 Patents

Issued Patents All Time

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