Patents by Inventor Marc Auguste Perrin

Marc Auguste Perrin 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).

  • Guard for a chain and chain wheel transmission in particular for the transmission of a cycle or the like
    Patent number: 4054063
    Abstract: The guard for a transmission including a chain and chain wheels comprises a fixed cover surrounding a first reach of the chain and a first of the chain wheels. A tube for surrounding and protecting a second reach of the chain is pivoted to the cover at a point corresponding to the point of tangency of the second reach of the chain with the first chain wheel.
    Type: Grant
    Filed: August 26, 1976
    Date of Patent: October 18, 1977
    Assignee: Cycles Peugeot
    Inventor: Marc Auguste Perrin