Patents by Inventor Glenn Parma

Glenn Parma 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: 4459727
    Abstract: A machine for fabricating driveshafts includes a frame including a support bed. A tailstock with centering spindle is mounted on said support bed. A headstock with driving spindle coincident with said centering spindle's axis is also mounted on said support bed. A rotatably lockable phasing plate is receivable in said driving spindle for mounting a rotary workpiece coincident with said axis. A phasing plate lockable in a positional relationship to said driving spindle phasing plate is receivable in said centering spindle for mounting a rotary workpiece coincident with said axis.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: July 17, 1984
    Inventors: Robert Burton, Glenn Parma