Patents by Inventor Bernard E. Vanderbrook

Bernard E. Vanderbrook 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: 5263943
    Abstract: A needle assembly includes an elongate first cylindrical cavity having a first end and a second end, with the second end formed with a conical recess, the conical recess including a through-extending bore in communication with the recess directed into a second cavity, wherein reverse flow of fluid relative to the first cylindrical body is prevented from flow into the second cylindrical body and contamination of intravenous fluid directed into the assembly.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: November 23, 1993
    Inventor: Bernard E. Vanderbrook