Patents by Inventor Ja M. Koo

Ja M. Koo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Staple remover
    Patent number: 5195724
    Abstract: The invention relates to a staple remover having a pressure-gripping structure which is made to execute a complete staple removing effect by a post-processing staple removing operation in case when such staple remover can not complete the staple removing function as it should. The invention includes at least one groove formed on one of the inner side or outer side staple removing arms for pressure-gripping by biting the staple at the crossing points when the inner side staple removing arm and the outer side staple removing arm are crossed each other. The invention has such effect that not only a utilizing efficiency of the staple remover is increased but also a great convenience is obtained.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: March 23, 1993
    Inventor: Ja M. Koo
  • Staple remover
    Patent number: 5090662
    Abstract: A staple remover has nippers formed on a side of its pivot opposite the staple removing jaws for gripping a staple bar. The nippers are formed by cross-bars connecting opposite flanges of the body members which form the staple remover.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: February 25, 1992
    Inventor: Ja M. Koo