Patents by Inventor Warren E. Clem

Warren E. Clem 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).

  • Can crusher
    Patent number: 4682539
    Abstract: A manually-operated device specifically for crushing cans, such as aluminum cans, includes a relatively heavy tramping element which is connected to an elongated handle, whereby when the tramping element is held over a can and driven downward, the can is crushed.The tramping element may include either a groove or rib for venting air that may become compressed in the can as the can is crushed.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: July 28, 1987
    Inventors: Earl C. Bramblett, Warren E. Clem