Patents by Inventor Douglas Cleminshaw

Douglas Cleminshaw 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).

  • Stopper for a metered dispensing unit
    Patent number: 5397027
    Abstract: A stopper for use in a metered dispensing unit including a conduit for carrying fluid from a container to a metering portion of the dispensing unit, the conduit having a flange at one end, a sealing member arranged on the conduit for sealing the conduit against an inside surface of the container, the sealing member having a tube through which the conduit extends, and a system for replaceably securing the sealing member on the conduit between the flange and an end of the conduit which is opposite the flange. For example, the securing system may include a releasable retaining clip.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: March 14, 1995
    Assignee: DeFelsko Corporation
    Inventors: Frank J. Koch, Douglas Cleminshaw
  • Liquid candle lamp
    Patent number: D318927
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: August 6, 1991
    Assignee: Hollowick, Inc.
    Inventors: Douglas Cleminshaw, Robert C. Zimmerman, J. Alan Menter