Patents by Inventor John Bilobran

John Bilobran 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: 4054278
    Abstract: A leaf spring assembly in which the leaves, except for the longest or spring-eye leaf, the leaf adjacent thereto, and the shortest leaf, are formed from bar stock by cutting same with an ogee or sloped S-shaped die section without producing any resultant scrap; cambering and heat treating the individual leaves in the conventional manner; and assembling same such that each successive leaf is shorter than the predecessor leaf and its ogee-shaped end is mounted in the oppositely disposed attitude relative to the predecessor leaf, with substantially full length contact therebetween, without providing for conventional tip inserts or leaf separators therebetween.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: October 18, 1977
    Assignee: General Motors Corporation
    Inventor: John Bilobran