Patents by Inventor Martha R. Birnbaum

Martha R. Birnbaum 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: 5240214
    Abstract: An apparatus for slidably attaching an object to a surface is disclosed. The apparatus contains a mounting board with a device for slidably attaching an object to it and a clamp attached to the mounting board. The clamp contains a first clamping member, a second clamping member, and means for adjusting the distance between such clamping members.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: August 31, 1993
    Inventors: Martha R. Birnbaum, Lars Rosenquist