HJ

Howard K. Brown, JR.

RI Robbins Industries: 1 patents #23 of 50Top 50%
Overall (All Time): #1,420,148 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11492284 Rotary driven stage Andrew D. Drummond, Dmitry Y. Mikailkeno 2022-11-08
11434102 Core slabbing apparatus Michael A Asseth 2022-09-06
5205613 Tunnel boring machine with continuous forward propulsion 1993-04-27