JH

Joseph R. Harder

PP Phillips Petroleum: 3 patents #450 of 1,401Top 35%
Chevron: 1 patents #2,615 of 4,788Top 55%
📍 Bartlesville, OK: #426 of 1,143 inventorsTop 40%
🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%
Overall (All Time): #1,260,423 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7135511 Phosphite additives in polyolefins David R. Battiste, Mark K. Russell, William R. Coutant 2006-11-14
6613823 Phosphite additives in polyolefins David R. Battiste, Mark K. Russell, William R. Coutant 2003-09-02
4452752 Method and apparatus for extruding thermoplastic shape James E. Keesling 1984-06-05
4214030 Thermoformable-crosslinkable ethylene polymer sheet per se and in laminate form and thermoformed sheet produced therefrom James Lee Rakes 1980-07-22