Patents by Inventor Oskar Alexander Hellwig

Oskar Alexander Hellwig 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: 4086796
    Abstract: Key Case Head comprising a first generally cylindrically-shaped outer member having slot means in communication with offset openings, the offset openings being removed from either end of said slot means, the slot means being adapted to retain a key hook and the offset openings being adapted to permit a key hook to pass therethrough, and a second member disposed within the first member, the second member having slot means in alignment with the first member slot means and having recesses in communication therewith but offset therefrom, the second member being rotatably movable to selectively align the second member recesses with the first member openings to permit withdrawal or entrance of a key hook.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: May 2, 1978
    Assignee: Beatrice Foods Co.
    Inventor: Oskar Alexander Hellwig
  • Patent number: 4085602
    Abstract: A key case head including an inner member and an outer member, the inner and outer members being adapted to cooperate to selectively retain and release key hooks, the inner member having attached thereto an actuator for moving the inner member relative to the outer member, the actuator and the outer member having complemental projections and recesses thereon for locking the inner member within the outer member.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: April 25, 1978
    Assignee: Beatrice Foods Co.
    Inventor: Oskar Alexander Hellwig