Patents by Inventor Robert E. De Barth

Robert E. De Barth 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).

  • Aerosol can pressure releaser
    Patent number: 4319697
    Abstract: A lever is permanently attached to an aerosol can so it cannot be lost and the lever has a projecting pin which can be forced to penetrate the can to make a small hole for the complete release of the internal gas pressure.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: March 16, 1982
    Inventor: Robert E. De Barth