Patents Assigned to Berendsohn AG
  • Writing instrument
    Patent number: 4227823
    Abstract: A retractable ballpoint pen has a body and a point secured to a flexible tubular ink reservoir. The ink reservoir is secured to a rotatable element within the body, movement of which element causes the pen to be retracted and projected and during that movement the reservoir follows a generally circular path.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: October 14, 1980
    Assignee: Berendsohn AG
    Inventor: Ernst R. Kitzerow
  • Holder for a writing implement
    Patent number: 4016982
    Abstract: A writing element is detachably, or non-detachably, connected to an elongate holder which can be bent by hand into any desired shape to remain in that shape. The holder consists of a core made of a flexible metal such as lead and is covered with a flexible covering such as a covering of a plastics material.
    Type: Grant
    Filed: June 3, 1975
    Date of Patent: April 12, 1977
    Assignee: Messrs. Berendsohn AG
    Inventor: Klaus-Gunther Schreiber