Patents by Inventor Roman J. Posacki

Roman J. Posacki 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).

  • Patent number: 4936028
    Abstract: A shoe with replaceable outsole, destined for use as a tourist, army, work, etc. shoe. It is basically comprised of an upper portion (the shoe itself) to which the uppersole is permanently attached in some manner, a removable outsole with an interlocking feature on top which engages with the bottom of the uppersole and with a varying bottom portion (depending on the use it is put to) and, a removable set of connector rods.The uppersole on it's bottom portion has a tread with a set of openings. On the upper portion of the outsole there is a tread with a similar set of openings, fitting exactly into the space between the openings of the uppersole. The two interlock to form a complete sole. Horizontal openings or bushings are placed in straight lines the length of the sole. Removable connector rods are then placed into these openings or bushings, providing a secure attachment for the outsole.
    Type: Grant
    Filed: February 15, 1989
    Date of Patent: June 26, 1990
    Inventor: Roman J. Posacki