Marion R. Karecki

📍 Portland, OR: #4,612 of 9,213 inventorsTop 55%

🗺 Oregon: #12,654 of 28,073 inventorsTop 50%

Overall (All Time): #2,331,908 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D302153	Hand-held scanner for personnel identification through retinal blood vessel patterns	—	1989-07-11
4786142	Optical instrument line of sight aligning device	—	1988-11-22