Patents by Inventor John W. Lachman

John W. Lachman 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).

  • Medical examination table with probe holder
    Patent number: 4866998
    Abstract: A method of predicting the occurrence of deep vein thrombosis after a surgical procedure comprises monitoring changes in the internal diameter of a blood vessel using a non-invasive ultrasound technique. The frequency and magnitude of changes in vessel diameter are used to predict whether deep vein thrombosis will occur.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: September 19, 1989
    Assignee: Temple University of the Commonwealth System of Higher Education
    Inventors: Gwendolyn J. Stewart, Marvin C. Ziskin, Charles M. Philips, Philip D. Alburger, John W. Lachman, Donald W. Manuel, Michael R. Troisi
  • Method of predicting the occurrence of deep vein thrombosis by non-invasive measurement of vessel diameter
    Patent number: 4721113
    Abstract: A method of predicting the occurrence of deep vein thrombosis after a surgical procedure comprises monitoring changes in the internal diameter of a blood vessel using a non-invasive ultrasound technique. The frequency and magnitude of changes in vessel diameter are used to predict whether deep vein thrombosis will occur.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: January 26, 1988
    Assignee: Temple University of the Commonwealth System of Higher Education
    Inventors: Gwendolyn J. Stewart, Marvin C. Ziskin, Charles M. Philips, Philip D. Alburger, John W. Lachman