Patents by Inventor Arnold Wayne Diehl

Arnold Wayne Diehl 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).

  • Locking pin locator
    Patent number: 7404466
    Abstract: A compact, portable locking pin locator device adapted to assist the driver of a semi truck including a tractor and a trailer to locate the trailer over the tandem axle under the back end of the trailer to achieve proper weight and balance of the load carried in the trailer over the wheels of the truck.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: July 29, 2008
    Inventor: Arnold Wayne Diehl
  • Portable light
    Patent number: D611632
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: March 9, 2010
    Inventor: Arnold Wayne Diehl