Patents by Inventor Ronnie A. Carroll

Ronnie A. Carroll 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).

  • Manual toilet bowl cleaner
    Patent number: 6255267
    Abstract: The present invention is an improved liquid toilet bowl cleanser comprising a fluorosurfactant coating agent, an anionic or non-ionic cleaner and a rheology control agent together with other minor excipients. The flurosurfactant continually adheres to and coats the porcelain surface of the toilet bowl during the active life of the cleanser composition preventing the formation of toilet bowl stains and mineral deposits for a substantial period of time after manual cleaning.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: July 3, 2001
    Assignee: HPD Laboratories, Inc.
    Inventors: Bala C. Nayar, Ronnie A. Carroll, Kenneth J. Ward