HS

Hayward G. Spangler

US USDA: 1 patents #1,162 of 2,828Top 45%
📍 Tucson, AZ: #3,393 of 6,004 inventorsTop 60%
🗺 Arizona: #18,403 of 32,909 inventorsTop 60%
Overall (All Time): #3,876,305 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5015212 System for assessing bee temperament Eric H. Erickson, Jr. 1991-05-14