Patents by Inventor Jonnie L. Key

Jonnie L. Key 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).

  • Method for preparing a marking structure
    Patent number: 5049432
    Abstract: An improved microporous marking structure has a layer of a microporous material containing a marking fluid and an absorbent backing layer superposed thereon which shortens processing time by absorbing excess marking fluid from the microporous layer. The marking structure according to the invention may be advantageously used to make a self-inking hand stamp. No lengthy step for removing excess ink from the microporous layer is needed.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: September 17, 1991
    Assignee: Porelon, Inc.
    Inventors: Willem Ooms, Frank R. Moss, Jonnie L. Key, Robert E. Ponter, David L. Hedgecoth
  • Microporous marking structures
    Patent number: 4927695
    Abstract: An improved microporous marking structure has a layer of a microporous material containing a marking fluid and an absorbent backing layer superposed thereon which shortens processing time by absorbing excess marking fluid from the microporous layer. The marking structure according to the invention may be advantageously used to make a self-linking hand stamp. No lengthy step for removing excess ink from the microporous layer is needed.
    Type: Grant
    Filed: June 6, 1989
    Date of Patent: May 22, 1990
    Assignee: Porelon, Inc.
    Inventors: Willem Ooms, Frank R. Moss, Jonnie L. Key, Robert E. Ponter, David L. Hedgecoth