Patents by Inventor Marek Sikorski

Marek Sikorski 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).

  • Floatation toy device
    Patent number: 5772484
    Abstract: A floatation toy device includes a cylindrical elongated member, a variable buoyancy collar and an attachment collar. The floatation toy device provides for an improved and variable buoyancy of the floatation toy device by the user.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: June 30, 1998
    Inventor: Marek Sikorski
  • Float
    Patent number: D388489
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 30, 1997
    Assignee: Industrial Thermo Polymers Limited
    Inventor: Marek Sikorski
  • Float
    Patent number: D388490
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 30, 1997
    Assignee: Industrial Thermo Polymers Limited
    Inventor: Marek Sikorski
  • Float
    Patent number: D388491
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 30, 1997
    Assignee: Industrial Thermo Polymers Limited
    Inventor: Marek Sikorski
  • Float
    Patent number: D388492
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 30, 1997
    Assignee: Industrial Thermo Polymers Limited
    Inventor: Marek Sikorski