Patents by Inventor Donald J. Kurr

Donald J. Kurr 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).

  • Corrosion resistant fasteners having an oil-free polyester top coating and method of manufacturing same
    Patent number: 4206264
    Abstract: A fastener and method of manufacturing fasteners is disclosed including coating the fastener with a cured, oil-free polyester coating, the cured polyester coating comprising the reaction product of one or more polyols selected from the group consisting of pentaerythritol, trimethylolpropane, glycerol, ethylene glycol, triethylene glycol, neopentyl glycol, trimethylolethane, 1,2 hexanediol, 1,3 butenediol, and mixtures thereof; one or more dibasic organic acids selected from the group consisting of phthalic acid, isophthalic acid, maleic acid, adipic acid, succinic acid, sebacic acid, fumaric acid, and mixtures thereof; and an aminoplast cross-linking agent selected from the group consisting of melamine-formaldehyde, urea-formaldehyde, hexahydroxymethyl melamine, and mixtures thereof.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: June 3, 1980
    Assignee: Duo-Fast Corporation
    Inventor: Donald J. Kurr