Patents by Inventor D. J. Davis, Jr.

D. J. Davis, Jr. 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).

  • Blood lancing device
    Patent number: 5269800
    Abstract: A device for lancing fingers and related body portions for purposes of drawing blood comprising opposing arms integrally joined at an acute angle. A lancing blade at one end is poised for travel through an aperture in the opposing arm, and separated until use by mating stop members. Pressure on the upper arm causes the stop members to slide past one another and the blade snaps through the aperture to lance the finger, whereupon it immediately retracts to an unexposed position.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: December 14, 1993
    Assignee: Davis Manufacturing Systems Inc.
    Inventor: D. J. Davis, Jr.
  • Esophageal electrocardiography electrode
    Patent number: 4817611
    Abstract: An integrally formed, molded, esophageal electrode provides for positive locking of spaced-apart conducting members to the body section. The electrode includes a molded body section with a centrally formed shoulder. The shoulder provides for spacing between the two cylindrical conducting members carried on the body of the electrode. Molded hemispherical end members provide positive locking of the conductive members to the body portion.
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: April 4, 1989
    Assignee: Arzco Medical Electronics, Inc.
    Inventors: Robert C. Arzbaecher, D. J. Davis, Jr., Mark P. Lowther