Patents by Inventor Bohumil Pergl

Bohumil Pergl 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).

  • Compact disc of circular and non-circular shape
    Publication number: 20040004931
    Abstract: A compact disc of circular and non-circular shape with a disc body comprising a central annular portion and a recording portion provided with a recording and reflective layer, protective coating and optionally with printing and used for special purposes such as advertisement, promotion, corporate presentations which is in the recording or a the central annual portion of the disc provided by at least one defined area containing a hidden printing and covered by a scratch-off paint.
    Type: Application
    Filed: June 24, 2003
    Publication date: January 8, 2004
    Inventor: Bohumil Pergl
  • Compact disc of circular and non-circular shape
    Publication number: 20010022773
    Abstract: A compact disc of circular and non-circular shape with a disc body comprising a central annular portion and a recording portion provided with a recording and reflective layer, protective coating and optionally with printing and used for special purposes such as advertisement, promotion, corporate presentations which is in the recording or a the central annual portion of the disc provided by at least one defined area containing a hidden printing and covered by a scratch-off paint.
    Type: Application
    Filed: March 13, 2001
    Publication date: September 20, 2001
    Inventor: Bohumil Pergl