Patents by Inventor Teddy Grejsner

Teddy Grejsner 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).

  • Agent for surface treatment and cleaning of records and similar objects
    Patent number: 4269739
    Abstract: An agent for surface treatment and cleaning of objects, in particular records, video or sound heads, tape paths in tape recorders or pickup styli, containing in a dissolved or emulsified form from 0.001 to 1.2% by weight of natural or synthetic wax or wax-like substance, from 0.001 to 2.5% by weight of fluid silicone oil with lubricating activity, from 0.001 to 2.5% by weight of surface-active polysiloxane copolymer, from 0.001 to 1.2% by weight of fluorinated organic surface-active compound, and from 0.001 to 2.5% by weight of nonionic surfactant.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: May 26, 1981
    Assignee: CBS Records ApS
    Inventor: Teddy Grejsner