Patents Assigned to Petra-Electric Peter Hohlfeldt GmbH & Co.
  • Snore stopper
    Patent number: D492781
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: July 6, 2004
    Assignee: Petra-Electric Peter Hohlfeldt GmbH & Co.
    Inventor: Gisbert Vielhaber