DK

Don M. Keister

SD Sterling Drug: 1 patents #122 of 246Top 50%
TU The Upjohn: 1 patents #289 of 528Top 55%
📍 Sand Lake, NY: #9 of 15 inventorsTop 60%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,302,277 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5215978 Method of enhancing egg laying in turkeys using epostane — 1993-06-01
4870068 Method of regulating fertility in swine using epostane — 1989-09-26