Patents by Inventor Michael J. Stahl

Michael J. Stahl 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).

  • Transit positioning device for use with manhole mount
    Patent number: 6571398
    Abstract: A transit positioning device for use with a conventional manhole mount having an elongate vertical arm and an elongate horizontal arm orthogonally joined together at a joint. A transit holding platform is rotatably mounted to an end of an adjustable length elongate member which in turn is mounted to the horizontal arm of the manhole mount. Further, an adjustable length stabilizing arm is provided with one end hingedly connected to the vertical arm below the joint at a position spaced apart from the joint, and a second end hingedly connected to the horizontal arm at a position spaced apart from the joint.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: June 3, 2003
    Inventors: Joseph E. Stahl, III, Michael J. Stahl
  • TRANSIT POSITIONING DEVICE FOR USE WITH MANHOLE MOUNT
    Publication number: 20030056382
    Abstract: A transit positioning device for use with a conventional manhole mount having an elongate vertical arm and an elongate horizontal arm orthogonally joined together at a joint. A transit holding platform is rotatably mounted to an end of an adjustable length elongate member which in turn is mounted to the horizontal arm of the manhole mount. Further, an adjustable length stabilizing arm is provided with one end hingedly connected to the vertical arm below the joint at a position spaced apart from the joint, and a second end hingedly connected to the horizontal arm at a position spaced apart from the joint.
    Type: Application
    Filed: September 26, 2001
    Publication date: March 27, 2003
    Inventors: Joseph E. Stahl, Michael J. Stahl