John D'Angelo

AI Acf Industries Incorporated: 1 patents #87 of 178Top 50%

📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%

🗺 Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #4,070,174 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4331172	Fire-safe valve structure	—	1982-05-25