Patents by Inventor Robert J. McCullough

Robert J. McCullough 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: 4546761
    Abstract: A speculum holder and illuminator comprises a handle containing battery and switch compartments separated by a sealed wall. A speculum support sleeve extends across the top and has a forward recess to hold a tubular speculum, and a viewing opening at the rear. A lighting assembly in the sleeve projects light forwardly in the speculum and is powered by a battery in the battery compartment connected through a switch in the switch compartment. An alternate form has a spring clip for temporarily holding it in a tubular speculum. A conductor card extends to a battery pack on the user's belt where it is supported on a crank-wound reel enabling it to be extended and retracted as needed.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: October 15, 1985
    Assignee: McCullough Cartwright Pharmaceutical Corp.
    Inventor: Robert J. McCullough