Patents Assigned to berolina Schriftbild Wilcke, Wolff, Busch & Partner KG
  • Patent number: 5185616
    Abstract: In order to reduce environmental damage by toner refill cartridges constructed as disposable articles, it is proposed, in a developer station which is provided by the manufacturer with a shaft (2) to receive toner refill cartridges, to use said shaft (2) as an additional tank closed off by a lid (3), it being possible to refill said tank via a refill opening (6).
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: February 9, 1993
    Assignee: berolina Schriftbild Wilcke, Wolff, Busch & Partner KG
    Inventor: Gerhard Wilcke