Patents by Inventor Norwin Cedric Derby

Norwin Cedric Derby 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).

  • Anti-microbial socks and process for manufacture of same
    Patent number: 6451144
    Abstract: A method of manufacturing a sock having anti-microbial properties including the steps of providing a quantity of a thermoplastic resin including an anti-microbial agent admixture having a predetermined microbial inhibition characteristic; blending the thermoplastic resin with a polyethylene resin to form an anti-microbial feedstock; forming the anti-microbial feedstock into relatively long, narrow, thin lengths of anti-microbial members; and knitting the anti-microbial members into an anti-microbial sock having predetermined microbial inhibition characteristics.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: September 17, 2002
    Assignee: Super Sack Mfg. Corp.
    Inventors: Robert R. Williamson, Norwin Cedric Derby, Craig Alan Nickell
  • Anti-microbial shoe linings, sock liners, and socks and process for manufacture of same
    Publication number: 20010050137
    Abstract: A method of manufacturing a sock having anti-microbial properties including the steps of providing a quantity of a thermoplastic resin including an anti-microbial agent admixture having a predetermined microbial inhibition characteristic; blending the thermoplastic resin with a polyethylene resin to form an anti-microbial feedstock; forming the anti-microbial feedstock into relatively long, narrow, thin lengths of anti-microbial members; and knitting the anti-microbial members into an anti-microbial sock having predetermined microbial inhibition characteristics.
    Type: Application
    Filed: May 16, 2001
    Publication date: December 13, 2001
    Inventors: Robert R. Williamson, Norwin Cedric Derby, Craig Alan Nickell
  • Anti-microbial socks and process for manufacture of same
    Patent number: 6287408
    Abstract: A method of manufacturing a sock having anti-microbial properties including the steps of providing a quality of a thermoplastic resin including an anti-microbial agent admixture having a predetermined microbial inhibition characteristic; blending the thermoplastic resin with a polyethylene resin to form an anti-microbial feedstock; forming the anti-microbial feedstock into relatively long, narrow, thin lengths of anti-microbial members; and knitting the anti-microbial members into an anti-microbial sock having predetermined microbial inhibition characteristics.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: September 11, 2001
    Assignee: Super Sack Mfg. Corp.
    Inventors: Robert R. Williamson, Norwin Cedric Derby, Craig Alan Nickell
  • Anti-microbial shoe linings, sock liners and socks and process for manufacture of same
    Patent number: 6139669
    Abstract: A method of manufacturing a sock having anti-microbial properties including the steps of providing a quantity of a thermoplastic resin including an anti-microbial agent admixture having a predetermined microbial inhibition characteristic; blending the thermoplastic resin with a polyethylene resin to form an anti-microbial feedstock; forming the anti-microbial feedstock into relatively long, narrow, thin lengths of anti-microbial members; and knitting the anti-microbial members into an anti-microbial sock having predetermined microbial inhibition characteristics.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: October 31, 2000
    Assignee: Super Sack Mfg. Corp.
    Inventors: Robert R. Williamson, Norwin Cedric Derby, Craig Alan Nickell