Patents by Inventor Carl W. Ploeger

Carl W. Ploeger 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).

  • Printing ribbon package having ink absorbing means
    Patent number: 4191482
    Abstract: The printing ribbon package includes an absorbent liner within the package housing in contact with an exposed portion of a pad which in turn communicates with an ink reservoir by way of a wick. The liner absorbs ink discharged from the pad while the spool is in said housing.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: March 4, 1980
    Inventor: Carl W. Ploeger