Donald G. Needham

📍 Bartlesville, OK: #44 of 129 inventorsTop 35%

🗺 Oklahoma: #151 of 749 inventorsTop 25%

Overall (1989): #119,203 of 140,708Top 85%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D300659	Test specimen holder	—	1989-04-11