Robert Preston

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Tulsa, OK: #825 of 2,344 inventorsTop 40%

🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%

Overall (All Time): #2,364,770 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4422600	Fishing reel	—	1983-12-27
4303821	Strip welding for butt joints	—	1981-12-01