Patents by Inventor Thea Blatzer

Thea Blatzer 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).

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    Patent number: D250325
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: November 21, 1978
    Assignee: Andreas Hofmann Metallwarenfabriken
    Inventors: Thea Blatzer, Wilfried Ender, Gerhard Ketnath, Erich Kramer
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    Patent number: D250326
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: November 21, 1978
    Assignee: Firma Andreas Hofmann Metallwarenfabrik
    Inventors: Thea Blatzer, Wilfried Ender, Gerhard Ketnath
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    Patent number: D250327
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: November 21, 1978
    Assignee: Firma Andreas Hofmann Metallwarenfabrik
    Inventors: Thea Blatzer, Wilfried Ender, Gerhard Ketnath
  • Support stand for a loudspeaker
    Patent number: D253323
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: November 6, 1979
    Assignee: Firma Andreas Hofmann Metallwarenfabrik
    Inventors: Thea Blatzer, Willfried Ender, Gerhard Ketnath