Patents by Inventor Rolf Kottas

Rolf Kottas 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: 4175861
    Abstract: The invention concerns a system for the alignment of a laser beam transmitter with a transit or other sighting mechanism set up in another place by means of a contrivance on one of the instruments, which projects laser beams in a plane running through the principal axis of the instrument. The beams are registered by a receiving device on the other instrument through two windows lined up along its principal axis.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: November 27, 1979
    Assignee: "Laser-Light" Gesellschaft mit beschrankter Haftung
    Inventor: Rolf Kottas