Patents by Inventor Gerald D. Edwards

Gerald D. Edwards 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: 4329798
    Abstract: A digger tooth for a power digging bucket or the like including an operating portion and an attachment portion, the operating portion comprising in combination:a back wall having an upper end, a lower end, and an upper surface extending forwardly and downwardly from the upper end to the lower end;a lower edge extending forwardly from the lower end of the back wall to a leading end;first and second sidewalls extending upwardly and diverging from the lower edge to define an open cavity, the first and second sidewalls each having a rear edge integral with the back wall and a forward edge, the forward edges together defining a front end opening; anda wing-like flange extending laterally outwardly from each of the sidewalls from the respective upper edges thereof, each of the wing-like flange also merging at a trailing end thereof with the upper end of the back wall.
    Type: Grant
    Filed: July 29, 1980
    Date of Patent: May 18, 1982
    Inventor: Gerald D. Edwards
  • Patent number: 4028823
    Abstract: A digging tooth provided with two points for use especially at the corners of a power digging bucket so that the shovel cuts better at its corners resulting in less binding of the bucket when making a second cut. This also results in better corners at the bottom of a narrow ditch.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: June 14, 1977
    Inventors: Gerald D. Edwards, Floyd B. Edwards
  • Patent number: D243843
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: March 29, 1977
    Inventor: Gerald D. Edwards
  • Patent number: D446223
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: August 7, 2001
    Inventor: Gerald D. Edwards
  • Patent number: D354291
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: January 10, 1995
    Inventor: Gerald D. Edwards
  • Patent number: D407420
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: March 30, 1999
    Inventor: Gerald D. Edwards