John F. Crain

📍 Holden, MO: #362 of 898 inventorsTop 45%

🗺 Missouri: #8,863 of 23,789 inventorsTop 40%

Overall (All Time): #2,134,304 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D591406	Drain conduit	—	2009-04-28
D590926	Corrugated drain conduit	—	2009-04-21