Patents by Inventor Hugo Alpers

Hugo Alpers 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).

  • Container opener
    Patent number: D336023
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: June 1, 1993
    Inventor: Hugo Alpers
  • Bottle opener
    Patent number: D339274
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: September 14, 1993
    Inventor: Hugo Alpers