Patents by Inventor Franklin V. Vresk

Franklin V. Vresk 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).

  • Fastener driving device with multiple bits
    Patent number: 4440048
    Abstract: A screwdriver comprises a handle having four screwdriver blades pivotally connected adjacent one end. The blades may be pivoted from a stored position alongside the handle to an operative position in advance of the handle. A locking device locks the blade in an operative position and comprises a disc rotatably mounted on the one end of the handle with a slot to engage the blade. The slot has a radial portion and a circumferential position so that the blade first enters the radial portion and the disc is then rotated to hold the blade in the circumferential portion.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: April 3, 1984
    Assignee: MIC Manufacturing and Machine Works Ltd.
    Inventors: Larry G. H. Stevens, Edmund G. F. Sweet, Franklin V. Vresk
  • Fastener driving device with multiple bits
    Patent number: 4327790
    Abstract: A screwdriver comprises a handle having four screwdriver blades pivotally connected adjacent one end. The blades may be pivoted from a stored position alongside the handle to an operative position in advance of the handle. A locking device locks the blade in an operative position and comprises a disc rotatably mounted on the one end of the handle with a slot to engage the blade. The slot has a radial portion and a circumferential position so that the blade first enters the radial portion and the disc is then rotated to hold the blade in the circumferential portion.
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: May 4, 1982
    Assignee: MIC Manufacturing and Machine Works Ltd.
    Inventors: Larry G. H. Stevens, Edmund G. F. Sweet, Franklin V. Vresk