Patents by Inventor Mark S. Bakula

Mark S. Bakula 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).

  • Ratcheting screwdriver
    Patent number: 4777852
    Abstract: The ratcheting screwdriver comprises a handle having a bore and a keyway substantially tangent thereto. In the bore is a gear and in the keyway are a pair of pawls which are movable individually into and out of engagement with the gear. An actuator is provided at the forward end of the handle to move these pawls. A cap operates the actuator.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: October 18, 1988
    Assignee: Snap-on Tools Corporation
    Inventors: Timm R. Herman, Donald J. Caldwell, Allan J. Bliemeister, Eric T. Gustafson, Mark S. Bakula
  • Timing light
    Patent number: D292893
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: November 24, 1987
    Assignee: Snap-on Tools Corporation
    Inventors: Mark S. Bakula, Donald W. Doman, David R. Ellingen, Gene P. Hopp, Keith R. Malek, Steven E. Michalski, Larry D. Pacetti, William T. Pagac, Steven R. Wente, Raymond R. Zuzinec, Sr.
  • Screwdriver
    Patent number: D307236
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: April 17, 1990
    Assignee: Snap-on Tools Corporation
    Inventors: Steven S. Cascio, Donald J. Caldwell, Tom S. Severson, Steven R. Wente, Mark S. Bakula
  • Screwdriver
    Patent number: D309246
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: July 17, 1990
    Assignee: Snap-on Tools Corporation
    Inventors: Steven S. Cascio, Donald J. Caldwell, Tom S. Severson, Steven R. Wente, Mark S. Bakula