DJ

Daniel N. Nigro, Jr.

VD Von Duprin: 2 patents #3 of 9Top 35%
📍 Indianapolis, IN: #64 of 402 inventorsTop 20%
🗺 Indiana: #223 of 1,942 inventorsTop 15%
Overall (1997): #42,822 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5664816 Lever handle assembly with field adjustable tailpiece and lever handing Theodore J. Fritsch 1997-09-09
5658026 Door handle locking mechanism with dual function springs Theodore J. Fritsch 1997-08-19