David Hoff — 2 Patents at Voxeo

David Hoff has been granted 2 US patents while listed as an inventor at Voxeo. The first was granted in 1996 and the most recent in October 2013. David Hoff ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Hoff in Vacaville, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8554567	Multi-channel interactive self-help application platform and method	Harm-Jan Spier, Jonathan Robert Taylor, Robert J. Auburn, Adam David Kalsey, Anthony J. Webb +1 more	2013-10-08
5557811	Free-floating means and method for rolling pool covers	—	1996-09-24

David Hoff — 2 Patents

Issued Patents All Time

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