1
Herbert S Schwartz, David K Deboer, John M Dawson: Low profile intraosseous anterior spinal fusion system and method. Vanderbilt University, Mark J Patterson, Waddey & Patterson, April 7, 1998: US05735899 (203 worldwide citation)

Disclosed herein is a system and implant designed for use in short segment anterior fusion of a patient's spine after the removal of a diseased or injured anterior vertebral body. The system includes the placement of the cylinder of the implant in an intraosseous location for added safety, and for t ...


2
Jeffrey D Gordon, John M Dawson: Intervertebral disc replacement prosthesis. Vanderbilt University, Richard S Myers Jr, Stites & Harbison PLLC, June 17, 2003: US06579321 (130 worldwide citation)

An implantable intervertebral disc prosthesis that comprises a disc member having an upper surface, a lower surface, and a perimeter surface. The disc includes an axis at least one slit defined in the perimeter surface; the slit being of sufficient depth and thickness to provide flexure. The slit te ...


3
John M Dawson: X-ray generator. The United States of America represented by the United States Energy Research and Development Administration, Dean E Carlson, Cornell D Cornish, June 1, 1976: US03961197 (65 worldwide citation)

Apparatus and method for producing coherent secondary x-rays that are controlled as to direction by illuminating a mixture of high z and low z gases with an intense burst of primary x-rays. The primary x-rays are produced with a laser activated plasma, and these x-rays strip off the electrons of the ...


4
John M Dawson, Scott C Wilks, Warren B Mori, Chandrasekhar J Joshi, Andrew M Sessler: Method and apparatus for upshifting light frequency by rapid plasma creation. Regents of the University of California, Flehr Hohbach Test Albritton & Herbert, December 4, 1990: US04975655 (24 worldwide citation)

Photons of an electromagnetic source wave are frequency-upshifted as a plasma is rapidly created around the path of this propagating source wave. The final frequency can be controlled by adjusting the gas density. A controlled time-varying frequency (chirped) pulse can be produced by using a control ...


5
John M Dawson: Method for flowing a large volume of plasma through an excitation region. TRW, Benjamin DeWitt, John J Connors, July 15, 1980: US04213043 (11 worldwide citation)

A plasma isotope separation process and apparatus. The plasma must be generated and moved into an excitation region for the differential heating of a selected isotope. This motion is accomplished by a crossed magnetic and electric field whereby charged particles move normal to the direction of both ...


6
John M Dawson, Warren B Mori, Chih Hsiang Lai, Thomas C Katsouleas: Method and apparatus for generating radiation utilizing DC to AC conversion with a conductive front. Univ of So Calif, The Regents of the Univ Univ of Calif, Fulwider Patton Lee & Utecht, July 14, 1998: US05780971 (7 worldwide citation)

Method and apparatus for generating radiation of high power, variable duration and broad tunability over several orders of magnitude from a laser-ionized gas-filled capacitor array. The method and apparatus convert a DC electric field pattern into a coherent electromagnetic wave train when a relativ ...


7
John M Dawson, Scott C Wilks: Method of accelerating photons by a relativistic plasma wave. The Regents of the University of California, Flehr Hohbach Test Albritton & Herbert, June 26, 1990: US04937532 (7 worldwide citation)

Photons of a laser pulse have their group velocity accelerated in a plasma as they are placed on a downward density gradient of a plasma wave of which the phase velocity nearly matches the group velocity of the photons. This acceleration results in a frequency upshift. If the unperturbed plasma has ...


8
Hugh D Hestad, John M Dawson: Spinal implant delivery methods and devices. Zimmer Spine, Seager Tufte & Wickhem, February 26, 2013: US08382840 (6 worldwide citation)

Systems and methods for implanting a spinal implant in a spinal column are disclosed. In one example, an illustrative system may include a delivery device including a proximal end region and a distal end region, a spinal implant releasably coupled to the distal end region of the delivery device, and ...


9
Jonathan T Fleenor, George W Long Jr, John M Dawson: Auxiliary powered drive for roller pump used in cardiopulmonary bypass operations. Trinity Lutheran Hospital, Schmidt Johnson Hovey & Williams, August 16, 1983: US04398872 (5 worldwide citation)

A powered unit is disclosed for providing an auxiliary drive for roller pumps of the type used in cardiopulmonary bypass operations in case the primary drive system for the pump fails or is rendered inoperative for any reason. The unit is provided with a base assembly supporting an electric motor or ...


10
Nigel R Stevenson, John M Dawson, Lee Heflinger: Use of isotopes to provide information to an article. Theragenics Corporation, Knoble & Yoshida, June 15, 2004: US06750756 (2 worldwide citation)

A method for associating information with an article, an isotopic labeling composition to label an article with information using at least two different isotopes of an element, and an article labeled with the labeling composition. In the labeling composition, the isotopes of the labeling composition ...