Billie E. Ballard

📍 Sapulpa, OK: #39 of 88 inventorsTop 45%

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

Overall (All Time): #4,069,470 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4328877	Automatic two-speed drive system	—	1982-05-11