Patents by Inventor James D. MacRae, Sr.

James D. MacRae, Sr. 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).

  • High fidelity signal transmission cable
    Patent number: 7763803
    Abstract: A high accuracy cable for transmitting audio and video signals having a sleeve of natural fiber material such as cotton surrounding each conductor and a spacer formed from a natural fiber that maintains substantially constant spacing between the conductors, wherein the conductors at least partly are formed from gold and/or silver.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: July 27, 2010
    Inventor: James D. MacRae, Sr.