Patents by Inventor Randal D. Bjerke

Randal D. Bjerke 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: 5030209
    Abstract: A holder includes a double ended needle supporting insert translatable within a cylinder for receiving a blood collection tube during a medical procedure. Upon translation of the insert posteriorly, the double ended needle becomes fully enclosed within the cylinder and the insert is locked in place to shield the double ended needle from contact by medical personnel. An adapter fits within the insert to accommodate pediatric tubes.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: July 9, 1991
    Assignee: Medical Safety Products, Inc.
    Inventors: Alan A. Wanderer, William E. Sagstetter, William R. King, James W. Schreiber, Randal D. Bjerke