JH

Joseph Hankins

FR Factory Mutual Research: 1 patents #3 of 20Top 15%
Overall (All Time): #3,540,136 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6367560 Wet sprinkler system for cold environments John L. de Ris, Wayne H. Wilke 2002-04-09