HI

Herbert W. Spencer, III

ET Ec&C Technologies: 1 patents #1 of 2Top 50%
📍 Nevada City, CA: #3 of 15 inventorsTop 20%
🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #213,776 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6506350 Method using on site generated ammonia to reduce particulates in combustion gas streams Hal B. H. Cooper 2003-01-14