Patents by Inventor Ronald J. Pawlaczyk

Ronald J. Pawlaczyk 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).

  • Hand operated tube crimping apparatus
    Patent number: 4198842
    Abstract: Described is a portable hand operable tube crimping device. The tube to be crimped is manually moved to the crimping die by means of a ratchet and pawl assembly connected to a drive means and the crimping die is manually operable by engaging a toggle assembly connecting a three piece male die set.
    Type: Grant
    Filed: May 2, 1978
    Date of Patent: April 22, 1980
    Inventor: Ronald J. Pawlaczyk