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Dug Gum Lee

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  • Los Angeles, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation generating system
    • Patent number 8,291,787
    • Issue date Oct 23, 2012
    • Dug Gum Lee
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotation generating apparatus
    • Patent number 7,669,492
    • Issue date Mar 2, 2010
    • Dug Gum Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotation generating apparatus
    • Publication number 20090090202
    • Publication date Apr 9, 2009
    • Dug Gum Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Rotational movement generating and amplifying apparatus
    • Publication number 20070034042
    • Publication date Feb 15, 2007
    • Dug Gum Lee
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Rotational movement amplifying apparatus
    • Publication number 20050000315
    • Publication date Jan 6, 2005
    • Dug Gum Lee
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Forward force producing system for wheels
    • Publication number 20030121349
    • Publication date Jul 3, 2003
    • Dug G. Lee
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS