Patents by Inventor Jerrold R. Yunker

Jerrold R. Yunker 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).

  • Straight edge blade for installation on an earth moving bucket
    Patent number: 4208815
    Abstract: A straight edge for an earth-moving bucket has pockets on a plate which engage the bucket teeth. The plate extends back to overlap the bottom of the bucket. The straight edge is held firm by bolts through the plate and bucket. The straight edge is no wider than the bucket so that it can function as a digging edge. The straight edge is installable by a single person in a short period of time and without assistance.
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: June 24, 1980
    Assignees: Julius Ralph Yunker, Jerrold Ralph Yunker, Charles E. Michael
    Inventors: Julius R. Yunker, Jerrold R. Yunker