Patents by Inventor William T. Mitchell

William T. Mitchell 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: 5988367
    Abstract: A dispenser box for suture packages includes an outer casing and drawer portion slidably disposed within the outer casing. The dispenser preferably includes at least two access portals for withdrawal of the suture packages. A first access portal allows the suture packages to be withdrawn in accordance with the U.S. preferred mode, wherein the dispenser box disposed so that the suture packages are stacked in a vertical array and withdrawn horizontally. A second access portal allows the suture packages to be withdrawn in accordance with the European preferred mode, wherein the suture packages are stacked in a horizontal array and are withdrawn vertically.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: November 23, 1999
    Assignee: United States Surgical Corporation
    Inventors: Edward A. Gemma, Jr., David Viselli, John S. Scott, William T. Mitchell, III
  • Patent number: 4348005
    Abstract: A bellows-type valve includes several additional safeguards in the form of back-up seals which are effective to prevent in- or out-leakage should the bellows fail. Some of the seals can be changed while the valve remains closed. There is provision for testing the integrity of the seals while the valve remains operative.
    Type: Grant
    Filed: September 28, 1972
    Date of Patent: September 7, 1982
    Assignee: British Nuclear Fuels Limited
    Inventors: Alan Eaton, William T. Mitchell, Alec Sunderland
  • Patent number: 4230887
    Abstract: C.sub.2 -C.sub.6 monocarboxylic and dicarboxylic acids are scrubbed from gas phase mixtures of such acids and water by gas absorption techniques utilizing a liquid solvent comprising a polyoxyalkylene glycol or a monoalkyl or dialkyl ether thereof. The solvent enriched with the acid is subjected to distillation to recover a substantially anhydrous acid product.
    Type: Grant
    Filed: February 16, 1978
    Date of Patent: October 28, 1980
    Assignee: Celanese Corporation
    Inventors: William T. Mitchell, Phillip S. Snyder