Oswald G. Addison, Jr.

📍 Lanham, MD: #27 of 100 inventorsTop 30%

🗺 Maryland: #13,387 of 35,612 inventorsTop 40%

Overall (All Time): #2,324,165 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4930810	Timing device for skiers	—	1990-06-05
4762340	Timing device for skiers	—	1988-08-09