JH

John J. Hronas

MU Multi-Products: 2 patents #1 of 6Top 20%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Erie, PA: #244 of 1,097 inventorsTop 25%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,282,112 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5876021 Railing spindle or baluster Jonathan P. Spence 1999-03-02
5820490 Coupled golf tees Michael J. Hronas, Joseph Mihna 1998-10-13
5657679 Method and apparatus for separating an LOM sculpture from an adherent base Marcin Niemiec 1997-08-19
5515903 Method of making a mold Michael J. Hronas 1996-05-14