RM

Roberta L. McMahon

ZL Zellweger Analytics Limited: 1 patents #2 of 14Top 15%
📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,225,418 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6217827 Hydride gas detecting tape Jingnian Zhang 2001-04-17
4420567 Hydride gas detecting tape Franco F. Fiorese 1983-12-13