Patents Assigned to Ronald O. Davis
  • Patent number: 6121221
    Abstract: A kit for cleaning vinyl plastics containing a mixture of solvents and a fluorescent material in a first container, a solvent and a fluorescent material in a second container, and, optionally a cloth and a detergent. The mixture of solvents in the first container is used to remove film from the vinyl plastics and includes 55% isopropyl alcohol, 40% methyl ethyl ketone, and 5% xylene. The second container contains a coating to be applied to white vinyl plastics to brighten them. The detergent is used to remove loose dirt and grime. The cloth is used to apply the mixtures in the two containers.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: September 19, 2000
    Assignee: Ronald O. Davis
    Inventor: Ronald O. Davis