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For the Inventor, By the Inventor

Oxford, MI, United States of America

Robert C Stempel

USPTO Granted Patents = 7

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 149(Granted Patents)


Location History:

  • Rochester Hills, MI (US) (2003 - 2004)
  • Troy, MI (US) (2001 - 2005)
  • Oxford, MI (US) (2004 - 2007)

Company Filing History:

goldMedal6 out of 114 
 
Ovonic Battery Company, Inc.
 patents
silverMedal1 out of 429 
 
Energy Conversion Devices, Inc.
 patents

Years Active: 2001-2007

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7 patents (USPTO):Explore Patents
1. 7226675 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack (2007-06-05),
2. 6837321 - Hybrid electric vehicle incorporating an integrated propulsion system (2005-01-04),
3. 6820706 - Method and system for hydrogen powered internal combustion engine (2004-11-23),
4. 6759034 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack (2004-07-06),
5. 6565836 - Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack (2003-05-20),
6. 6557655 - Hybrid electric vehicle (2003-05-06),
7. 6330925 - Hybrid electric vehicle incorporating an integrated propulsion system (2001-12-18),
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