David Helmlinger has been granted 11 US patents while listed as an inventor at Mattel . The first was granted in 1998 and the most recent in March 2011. David Helmlinger ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David Helmlinger in Charlotte, NC, US.
Patents per Year Patents granted per year, 1998 to 2011 Bar chart with a peak of 4 patents in 2004. peak 4 1998: 1 patents 1998 2003: 1 patents 2003 2004: 4 patents 2004 2005: 2 patents 2005 2007: 1 patents 2007 2010: 1 patents 2010 2011: 1 patents 2011
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7905761 Remote controlled toy vehicle, toy vehicle control system and game using remote controlled toy vehicle Stephen Weiss , LaVonne Strand , Joseph Thomas Moll , Vikas Kumar Parkhie Sinha , Justin Discoe +4 more 2011-03-15
$20,374,000
7758399 Remote controlled toy vehicle, toy vehicle control system and game using remote controlled toy vehicle Stephen Weiss , LaVonne Strand , Joseph Thomas Moll , Vikas Kumar Parkhie Sinha , Justin Discoe +4 more 2010-07-20
$17,081,000
7266919 Motion-detecting note holder Stephen Weiss , Randy Chen 2007-09-11
6971942 Rotary feedback mechanism for a toy Ernest D. Baker , Leonard R. Clark, Jr. , Jesse Dorogusker , Eric Listenberger , Joseph Thomas Moll +2 more 2005-12-06
$31,689,000
6960112 Airfoil blade with cushioned edge for powered toy aircraft Gregory Gilbert Garneau , Lee Chun Wah , Chung Jie 2005-11-01
$30,071,000
6780077 Master and slave toy vehicle pair Chris T. Baumgartner , Joseph Thomas Moll , Truman John Gilbert , Stephen Weiss , Nathan Bloch +1 more 2004-08-24
$14,562,000
6726523 Remote-controlled toy skateboard device Ernest D. Baker , Leonard R. Clark, Jr. , Jesse Dorogusker , Eric Listenberger , Joseph Thomas Moll +2 more 2004-04-27
$39,371,000
6698438 Dishwasher fine filter assembly with helical flow path Arjan Johannes Hegeman 2004-03-02
$58,041,000
6692333 Toy vehicle Androc Kislevitz , Adam Kislevitz , Noah Kislevitz , Justin Discoe , David Ribbe 2004-02-17
6641058 Dishwasher spray arm hub and conduit assembly Arjan Johannes Hegeman 2003-11-04
$50,256,000
5730767 Sealing apparatus in a belt-type filter — 1998-03-24
