Patents by Inventor Carl Lundwall

Carl Lundwall 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).

  • Distribution system for vermin control composition
    Patent number: 4028841
    Abstract: The present invention relates to a distribution system for a fluid vermin control composition comprising a pipe disposed in a building, the pipe having a plurality of openings therein and being connected to a reservoir and a pump which pumps a vermin control fluid through the pipe end and out of the openings therein. A timing device is also operatively connected to the distribution system for automatically and periodically delivering a fluid vermin control composition through the pipe system.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: June 14, 1977
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Carl Lundwall