CH

Conrad D. Helliker

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
📍 Joplin, MO: #133 of 249 inventorsTop 55%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #4,120,720 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4225346 Process for fabricating porous nickel bodies Thomas O'Sullivan 1980-09-30