Donald J. Newman

OP Ogden Industries Pty.: 1 patents #1 of 2Top 50%

📍 Hastings, CO: #1 of 1 inventorsTop 100%

Overall (1982): #68,570 of 81,411Top 85%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4320638	Tumbler lock and key	Gerald F. Dunphy	1982-03-23