Patents by Inventor Marcus L. Cadwell

Marcus L. Cadwell 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).

  • Lock for tremolo bridge
    Patent number: 10026383
    Abstract: A vibrato bridge system includes a base plate. A mounting frame is attached to the base plate. An anchor mates with an edge of the base plate. A spring arm has a first end attached to the base plate and extending roughly perpendicular to the base plate. A spring has a first end attached to a second end of the spring arm. A spring anchor is attached to a second end of the spring. A magnetic latch is connected between the spring anchor and the second end of the spring arm. When the base plate is in its resting position the two magnets of the lock are essentially touching. The bracket has a pair of parallel slots and a stop pin extends through an end of the male sleeve and through the pair of slots.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: July 17, 2018
    Inventors: Marcus L Cadwell, Jeffrey Lathrop
  • Lock For Tremolo Bridge
    Publication number: 20140165817
    Abstract: A vibrato bridge system includes a base plate. A mounting frame is attached to the base plate. An anchor mates with an edge of the base plate. A spring arm has a first end attached to the base plate and extending roughly perpendicular to the base plate. A spring has a first end attached to a second end of the spring arm. A spring anchor is attached to a second end of the spring. A magnetic latch is connected between the spring anchor and the second end of the spring arm. When the base plate is in its resting position the two magnets of the lock are essentially touching. The bracket has a pair of parallel slots and a stop pin extends through an end of the male sleeve and through the pair of slots.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 19, 2014
    Inventors: Marcus L. Cadwell, Jeffrey Lathrop