Patents by Inventor Luther D. Albertson, Jr.

Luther D. Albertson, Jr. 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).

  • Circle cutting attachment
    Patent number: 4270425
    Abstract: Apparatus to be utilized as an attachment to hand type power metalworking shears and nibblers for the purpose of performing precision circular metal cutting.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: June 2, 1981
    Inventor: Luther D. Albertson, Jr.