GG

George K. Greenough

ND National Research Development: 2 patents #124 of 1,071Top 15%
Overall (All Time): #2,310,274 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5125402 Powered respirators — 1992-06-30
4350507 Respirable particle sampling instruments Richard C. Brown 1982-09-21