Patents by Inventor John F. Hammer

John F. Hammer 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: 5699646
    Abstract: A stack of dried lumber (50) is inhibited from staining and discoloring as it is stored in open air by being overlaid with an air pervious plastic material (16). The plastic material has a material to air density of greater than 70% to restrict sunlight, wind and rain and less than 90% to allow for adequate ventilation.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: December 23, 1997
    Assignee: Cornelia Textiles, Inc.
    Inventor: John F. Hammer
  • Patent number: 5491958
    Abstract: A stack of logs (40) is inhibited from staining as it is stored in open air by being sheltered with an air pervious plastic material (16). The plastic material has a material to air density of greater than 70% to restrict sunlight, wind and rain and less than 90% to allow adequate ventilation.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: February 20, 1996
    Assignee: Cornelia Textiles, Inc.
    Inventor: John F. Hammer