Patents by Inventor Wayne R. Sittre

Wayne R. Sittre 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).

  • Rotary scraper for planter disks
    Patent number: 4669550
    Abstract: A rotary scraper for the exterior of planter disks which is mounted on a bracket easily attachable to existing grain planters. The rotary scrapers are mounted on the front edge of double disk planter disks vertically centered with the planter disks and with at least one half of the scraper disk outside the circumference of the planter disk.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: June 2, 1987
    Inventor: Wayne R. Sittre