Ephraim A. Kirkland

📍 Afton, OK: #4 of 12 inventorsTop 35%

🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%

Overall (All Time): #3,871,968 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4999821	Truck driver's wake-up device	—	1991-03-12