Patents by Inventor David A. Nicolas

David A. Nicolas 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: 7204843
    Abstract: A surgical instrument for anastomosis of first and second blood vessels includes a housing having distal and proximal ends, a handle and a disposable loading unit removably mounted to the distal end of the housing. The loading unit includes upper and lower fastener support members having a passage defined therethrough for receiving an end of the second blood vessel and configured to releasably support a plurality of surgical fasteners. The loading unit also includes a retractable anvil located at a distal end of the loading unit, the anvil being movable relative to the fastener support member in response to actuation of the handle to simultaneously deform the of surgical fasteners.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: April 17, 2007
    Assignee: United States Surgical Corporation
    Inventors: Keith Milliman, Kevin Sniffen, David A. Nicolas, Scott E. Manzo, Peter Hinchliffe
  • Patent number: 4053695
    Abstract: A sealed lead acid cell is disclosed which has electrodes comprising metallic supports which minimize the evolution of hydrogen and resist deformation under their own weight, and which are separated by at least one layer of separator material, the capacity of the negative electrodes is arranged to be at least as great as the capacity of the positive electrodes, the thickness of the electrodes is less than 3mm, the thickness of the separator is in the range of 10 to 200% of the thickness of the electrodes, and the volume, E, of electrolyte in the cell in relation to the sum of the pore volume of the separators, X, and the pore volume of the positive and negative active materials, Y, is not greater than 2X + Y.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: October 11, 1977
    Assignee: Chloride Group Limited
    Inventors: Kenneth Peters, Sidney Fewster, Frank Wilson, Kevin David Nicolas Kearney