Patents Represented by Attorney, Agent or Law Firm Roger Dybvig
  • Lightweight iron
    Patent number: D443743
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: June 12, 2001
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventors: Mark Edwards, Robin Chu, Martin Brady
  • Candy
    Patent number: D252418
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: July 24, 1979
    Assignee: International Leisure Activities, Inc.
    Inventor: Roy K. Wills, Jr.