Patents by Inventor Robert A. Schram

Robert A. Schram 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).

  • Self-aligning safety sensors
    Patent number: 6891480
    Abstract: A self-aligning sensor assembly that is useful for mounting safety sensors that require precise alignment such as electric eyes and electric garage door opener sensors that include an aligned emitter and detector wherein the self-aligning mechanism allows the sensors to be realigned manually or automatically. This invention is also a method for deactivating a sensor mechanism such as a garage door opener sensor using the self-aligning mechanism of this invention.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: May 10, 2005
    Assignee: Lynx Industries, Inc.
    Inventors: Gerald H. Williams, Robert Schram
  • Self-aligning safety sensors
    Publication number: 20020105430
    Abstract: A self-aligning sensor assembly that is useful for mounting safety sensors that require precise alignment such as electric eyes and electric garage door opener sensors that include an aligned emitter and detector wherein the self-aligning mechanism allows the sensors to be realigned manually or automatically. This invention is also a method for deactivating a sensor mechanism such as a garage door opener sensor using the self-aligning mechanism of this invention.
    Type: Application
    Filed: January 31, 2001
    Publication date: August 8, 2002
    Inventors: Gerald H. Williams, Robert Schram
  • Disposable drinking cup lid
    Patent number: 4090660
    Abstract: A disposable lid for a conventional paper cup, the lid having a groove on its underside for snap fitting on the cup, and the lid additionally including a pair of radial score lines that can be torn so to form a liftable tab so a person can drink from the cup while the lid is still on; the tab being pivotable so to refit on the cup in order to close the same.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: May 23, 1978
    Inventors: Robert A. Schram, Alfred Affrunti, Jr., Angela Affrunti