Patents by Inventor Randy E. Durham

Randy E. Durham 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: 4605208
    Abstract: This invention is a combination automatic and manual vise apparatus selectively operable (1) as a normal manually operated table vise structure; and (2) as a power driven vise structure. The automatic and manual vise apparatus includes a main support base assembly; a manual vise assembly connected to the main support base assembly; and an automatic vise assembly connected to the main support base assembly and the manual vise assembly. The manual vise assembly includes a stationary jaw assembly connected to the main support base assembly and a moveable jaw assembly connected to the stationary vise assembly. The moveable jaw assembly includes a handle member which is rotated to move a jaw member relative to the stationary jaw assembly in a conventional manner. A lock member is used to secure the handle member against a rotation when utilizing the invention as a power driven vise structure.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: August 12, 1986
    Inventor: Randy E. Durham