Patents by Inventor John Liner

John Liner 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).

  • Slips for specimen growth and microscopic examination
    Patent number: 4125436
    Abstract: A flat transparent slip is formed with an integral handle part, including a prong that rises from the slip and has with the latter outside the confines of a growth area thereon a joint with a constriction for ready snap-off of the handle part from the slip. In another form, a number of slips are arranged in a cluster with an integral handle and so that any slip may be snapped off the handle.
    Type: Grant
    Filed: August 25, 1977
    Date of Patent: November 14, 1978
    Assignee: Linbro Scientific, Inc.
    Inventor: John Liner
  • Laboratory trays with lockable covers
    Patent number: 4038149
    Abstract: A laboratory tray with cup formations is on opposite sides of its upright circumferential wall provided with outwardly projecting pad formations with outer faces, with these pad formations registering with notches in a depending circumferential skirt on a cover in its closed position on the tray to clear the cover skirt and expose the outer pad faces in their entirety to an attendant's finger grasp for safe handling of the covered tray.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: July 26, 1977
    Assignee: Linbro Scientific, Inc.
    Inventors: John Liner, Eric W. Soderberg