HF

Helmut Franz

PI Ppg Industries: 2 patents #15 of 153Top 10%
📍 Pittsburgh, PA: #28 of 319 inventorsTop 9%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #38,924 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5695876 Method and composition for applying acidic interleaving material in aqueous media to glass sheets Fred A. Fortunato 1997-12-09
5641576 Buffered acid interleaving for glass sheets 1997-06-24