Donald O. Hall

📍 Louisville, KY: #17 of 130 inventorsTop 15%

🗺 Kentucky: #54 of 406 inventorsTop 15%

Overall (1989): #119,596 of 140,708Top 85%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4794908	Gas-fired heater means	—	1989-01-03