Patents by Inventor E. Arthur MacDonald

E. Arthur MacDonald 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).

  • Publication number: 20140096920
    Abstract: In various implementations, a roller shade assembly may include an elongated body and a mechanism. The mechanism may include gears and a spring. The mechanism may allow the roller shade to be locked and/or unlocked using a driver. Internal component(s) of the roller shade may be adjusted using the driver.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 10, 2014
    Inventor: E. Arthur MacDonald