Patents by Inventor Robert M. Lamb

Robert M. Lamb 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: 4512104
    Abstract: Apparatus for harvesting maple sap that includes a molded tap having a housing containing an enclosed chamber, a spout having an inlet hole passing into the chamber and a line connector depending downwardly having an outlet hole that also communicates with the chamber. A plug having an elongated tapered stopper for closing the inlet hole is secured by a lanyard to the housing. A bracket is disposed outwardly from the top of the housing that has a hole passing therethrough for receiving the stopper of the plug therein in friction locking engagement so that the plug can be safely and securely stored when it is removed from the inlet hole.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: April 23, 1985
    Inventor: Robert M. Lamb