Patents by Inventor Sigmund Silber

Sigmund Silber 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: D411225
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: June 22, 1999
    Assignee: Cias, Inc.
    Inventors: Leonard Storch, Sigmund Silber
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    Patent number: D421041
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: February 22, 2000
    Assignee: Cias, Inc.
    Inventors: Leonard Storch, Sigmund Silber