Patents by Inventor Heinz Wolter

Heinz Wolter 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: 3974670
    Abstract: A turnover key with indentations on both sides for operation of bolt keepers of a cylinder lock, and with a sloped keyway at the tip of the key. The sloped keyway, which is situated before each row of indentation, runs almost to the opposite broad side of the key and into it.
    Type: Grant
    Filed: September 11, 1973
    Date of Patent: August 17, 1976
    Assignee: Josef Voss KG
    Inventor: Heinz Wolter