Patents by Inventor Barton C. McFarland

Barton C. McFarland 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).

  • Needle protective sleeve
    Patent number: 4772272
    Abstract: A protective sleeve for a hypodermic needle completely overlies the needle when in a needle protection position and also overlies a needle support and at least part of a syringe to which the needle support is attached. The protective sleeve is moved from the needle protecting position to a needle injection position solely by axial movement of the protective sleeve. The protective sleeve is releasably retained in either of its positions through cooperating retaining elements on the protective sleeve and the needle support or the syringe.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: September 20, 1988
    Inventor: Barton C. McFarland
  • Needle protective sleeve
    Patent number: RE34045
    Abstract: A protective sleeve for a hypodermic needle completely overlies the needle when in a needle protection position and also overlies a needle support and at least part of a syringe to which the needle support is attached. The protective sleeve is moved from the needle protecting position to a needle injection position solely by axial movement of the protective sleeve. The protective sleeve is releasably retained in either of its positions through cooperating retaining elements on the protective sleeve and the needle support or the syringe.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: August 25, 1992
    Assignee: Health Technology Systems, Inc.
    Inventor: Barton C. McFarland