Patents by Inventor Mary Ann Gera

Mary Ann Gera 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: D254823
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: April 29, 1980
    Assignee: Kroehler Mfg. Co.
    Inventors: Robert A. Gera, Mary Ann Gera
  • Patent number: D255068
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: May 27, 1980
    Assignee: Kroehler Mfg. Co.
    Inventors: Robert A. Gera, Mary Ann Gera
  • Patent number: D256297
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: August 12, 1980
    Assignee: Kroehler Mfg. Co.
    Inventors: Robert A. Gera, Mary Ann Gera