Patents by Inventor Michelle Sangalang

Michelle Sangalang 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).

  • Multi-directional lever drive system
    Patent number: 9010786
    Abstract: A multi-directional lever drive system comprising a lever drive assembly comprising a lever for imparting actuation for driving a shaft through a roller mechanism, and engaging a switch assembly whereby the properties of the roller mechanism can be selected to drive the shaft forward, neutral, and reverse. The proposed switch assemblies enable convenient direction control from the same lever that inputs actuation to the drive assembly, making the lever drive assembly suitable for systems such as a lever propelled wheelchair, a winch, and hand tools.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: April 21, 2015
    Inventors: Andrew Ekelem, Michelle Sangalang