Patents by Inventor Willard Pearson

Willard Pearson 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).

  • Chain sickle
    Patent number: 4656819
    Abstract: A cutting and mowing apparatus (1) comprising a continuous chain (11) of cutting blades (12). The chain is confined within rail assembly (6) by means of alternating chain members (14) and links (13). The alternating chain links (14) and (15) are compatibly shaped so that both chain members and link (13) may be efficiently formed from a single flat metal plate. The chain sickle (1) is powered from the hydraulic system of the parent device, such as a tractor (3).
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: April 14, 1987
    Inventor: Willard Pearson
  • Center bin ladder
    Patent number: D394715
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: May 26, 1998
    Inventor: Paul Willard Pearson
  • Corn saver shield
    Patent number: D399854
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: October 20, 1998
    Inventor: Paul Willard Pearson