Patents by Inventor Alexander Perl

Alexander Perl 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).

  • Patent number: 3983692
    Abstract: A link chain for jewelry and other applications, the chain being composed of links having cross-sectionally enlarged longitudinal leg portions, thereby concealing the eyes of adjoining links and producing the appearance of a "full" chain. The cross-sectional profile of the leg portions may be such that the resultant chain has the overall shape of a cylinder, an octagonal prism, or a square prism, for example.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: October 5, 1976
    Inventor: Alexander Perl