DJ

Daryl D. Jech

IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%
📍 Seattle, WA: #14,120 of 21,776 inventorsTop 65%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,048,812 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4374027 Process for the secondary treatment of wastewater David E. Severeid 1983-02-15