Patents by Inventor Melvin R. Rathbun

Melvin R. Rathbun 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: 4608846
    Abstract: Tube dedimpler apparatus is provided with a walking-beam conveyor in which parallel disposed walking-beams are directed through closed, congruent, vertical, workpiece-transfer paths using paired crank arms which are driven in unison by means including respective stepping motors operated in the full-step mode.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: September 2, 1986
    Assignee: Lemont Machine Company
    Inventor: Melvin R. Rathbun