IJ

Irvin D. Jacobson

PH Perfection Holdings: 2 patents #10 of 29Top 35%
📍 Bratenahl, OH: #16 of 36 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,360,209 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4482170 Gas riser apparatus Frank R. Volgstadt, Carl E. Passerell 1984-11-13
4418888 Angle cock valve Frank R. Volgstadt, David P. Passerell 1983-12-06