FS

Francis A. Hemphill, Sr.

📍 Haysville, KS: #10 of 28 inventorsTop 40%
🗺 Kansas: #6,307 of 12,005 inventorsTop 55%
Overall (All Time): #3,857,436 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5140306 Alarm indicating system — 1992-08-18