DH

Douglas P. Hand

📍 Lake Oswego, OR: #39 of 115 inventorsTop 35%
🗺 Oregon: #995 of 2,981 inventorsTop 35%
Overall (2011): #314,083 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7865979 Flush valve structure for a toilet tank — 2011-01-11