Patents by Inventor Ernest M. Shaffer

Ernest M. Shaffer 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).

  • Patent number: 4189274
    Abstract: An improved carrier to facilitate the loading and unloading of two-wheeled cycles from motor vehicle bumpers having an adjustable ramp assembly and mechanism for linear as well as rotational movement of the track assembly.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: February 19, 1980
    Inventor: Ernest M. Shaffer