Patents by Inventor Sylvester H. Yen

Sylvester H. Yen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pedal And Crank System
    Publication number: 20140260784
    Abstract: A crank arm system for a cycle is provided including a first crank arm, a second crank arm, a first crank arm end, and a second crank arm end. The first crank arm has a length extending along a first plane. The second crank arm has a length extending along a second plane. The first crank arm end has a pedal coupling portion and a crank arm coupling portion having a length configured to extend along either the first or second plane when coupled to the respective first or second crank arm. The second crank arm end has a pedal coupling portion and a crank arm coupling portion having a length configured to extend along either the first or second plane when coupled to the respective first or second crank arm.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Inventors: Arnold Kamler, Sylvester H. Yen