Donald L. Parkins

📍 Omaha, NE: #6 of 43 inventorsTop 15%

🗺 Nebraska: #21 of 171 inventorsTop 15%

Overall (1989): #119,155 of 140,708Top 85%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4833767	Locksmith's door spreading tool	—	1989-05-30