Patents by Inventor William Pratnicki

William Pratnicki 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).

  • Deadman
    Patent number: 5564236
    Abstract: Disclosed and claimed is a deadman for temporarily holding panel material in position while the material is being fastened to a supporting structure, such as in wall and ceiling construction and methods of use.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: October 15, 1996
    Assignee: Rockmate, Inc.
    Inventors: David McKinney, William Pratnicki