Patents Examined by Bernarr E. Gergory
  • Filter
    Patent number: H1157
    Abstract: The ornamental design for a filter, as shown and described.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: April 6, 1993
    Inventors: Manabu Yanou, Osami Kato, Kazuo Kuwahara