Patents by Inventor Harold James Perry Bowell

Harold James Perry Bowell 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).

  • Method of emulsifying mineral oil
    Patent number: 4083966
    Abstract: An emulsion consisting essentially of alcohol, pine tar, and mineral oil wherein pine tar and alcohol are mixed before adding the mineral oil so that the composition is essentially an emulsion.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: April 11, 1978
    Inventor: Harold James Perry Bowell