Patents by Inventor John G. Tomkinson

John G. Tomkinson 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: 5623931
    Abstract: An embodiment of the present invention is a disposable/reusable needle guide which can be: (a) utilized with many ultrasound probes; (b) attached and detached from such ultrasound probes easily and rapidly; and (c) utilized with biopsy needles. In particular, an embodiment of the present invention is a needle guide for use with an ultrasound probe which includes: (a) a clip for detachably affixing the needle guide to the ultrasound probe; (b) a clip lock for detachably locking the clip to securely affix the needle guide to the ultrasound probe; (c) a needle support, affixed to the clip, for supporting and positioning a needle; and (d) a needle cap, detachably affixed to the needle support, for supporting and positioning the needle; wherein the needle support and the needle cap include a snap locking for detachably affixing the needle support and the needle cap to each other.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: April 29, 1997
    Assignee: Siemens Medical Systems, Inc.
    Inventors: Peter C. Wung, Marc W. Bommarito, John G. Tomkinson, Swend L. Miller
  • Patent number: 4655342
    Abstract: A case adapted to contain magnetic discs or the like, said case having a box-like containing member with a lid being hinge mounted to, and formed integrally with, the containing member. There is a tray to hold the discs in a displayed position where the tray slants upwardly and forwardly with the lid being fully opened. There is a linkage member comprising two linkage arms interconnecting the tray with the lid so as to cause upward motion of the tray. The tray further has a cam track and cam follower connection with the side walls of the case to program the motion of the tray to its proper display position.
    Type: Grant
    Filed: May 17, 1985
    Date of Patent: April 7, 1987
    Assignee: Allsop, Inc.
    Inventors: William E. Brauner, John G. Tomkinson, Eivind Clausen
  • Patent number: 4640416
    Abstract: A case for floppy disks and other similarly shaped articles is disclosed. The case has a plurality of dividers having a limited arcuate travel to support the disks at an advantageous viewing angle. The case is also provided with a lid which contacts the base of the case along two different axes and the supporting surface simultaneously to prevent the case from tipping. The case is also provided with a handle for carrying the case in a vertical position. The lid is further provided with ridges to prevent disks or other articles contained between the dividers from sliding out of the dividers when the case is carried in a vertical position.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: February 3, 1987
    Assignee: Amaray International Corporation
    Inventors: Allan R. Northrup, John G. Tomkinson
  • Patent number: D288145
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: February 10, 1987
    Assignee: Amaray International Corporation
    Inventors: Allan R. Northrup, John G. Tomkinson