JH

John E. Hrivnak

The Goodyear Tire & Rubber: 5 patents #710 of 3,057Top 25%
📍 Wilmington, OH: #33 of 170 inventorsTop 20%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #1,059,917 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5102603 Process for manufacturing polyethylene terephthalate industrial yarn Richard M. Oblath, Donald L. Brown, Freddie L. Massey 1992-04-07
5049339 Process for manufacturing industrial yarn Donald L. Brown, Richard M. Oblath 1991-09-17
4898703 Utilization of polyester in place of lead for use as a sheathing material for curing long length hose Hoyt M. Wells, William J. Determan, Vernon Vincent Vanis, Donald E. Richeson, Timothy P. Saupe 1990-02-06
4588546 Wire coating process Joseph N. Feil 1986-05-13
4388356 Heat setting a thermoformed PET article utilizing a male plug as a constraint Robert J. Gartland 1983-06-14