David Crenella — 4 Patents at Otis Elevator

David Crenella has been granted 4 US patents while listed as an inventor at Otis Elevator. The first was granted in 1999 and the most recent in January 2013. David Crenella ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Crenella in Berlin, CT, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8356698	Wireless elevator hall fixtures integral with hall door frame	Bruce Zepke, Adriana Bacellar, Luiz Bacellar, Dennis Bellamy, Christian Netter +6 more	2013-01-22
6956463	Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices	Michael S. Smyth	2005-10-18
6601679	Two-part wireless communications system for elevator hallway fixtures	Michael Gozzo, Richard Robert Grzybowski, Jeffrey M. Izard, Robert G. Morgan, Chester J. Slabinski	2003-08-05	$49,012,000
5984051	Remote elevator call requests with descriptor tags	Robert G. Morgan, Bruce Zepke, Harold Terry, Eric K. Jamieson	1999-11-16	$50,642,000

David Crenella — 4 Patents

Issued Patents All Time

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