MG

Marvin H. Greenwood

📍 Houston, TX: #5,364 of 21,073 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,296,242 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5224724 Scooter with simple harmonic drive — 1993-07-06
5211123 Sailboard — 1993-05-18
4978120 Recreational device having rings — 1990-12-18
4896878 Recreational device — 1990-01-30