Patents by Inventor Roy Perlove

Roy Perlove 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).

  • Publication number: 20060186371
    Abstract: A heat transfer fluid, such as an antifreeze composition, is colored with a dye which may be one or more of Acid Yellow 5 and Acid Yellow 3. The composition may further include other dyes.
    Type: Application
    Filed: February 21, 2006
    Publication date: August 24, 2006
    Inventor: Roy Perlove