FA

Fred Apffel

FL Flexivol: 1 patents #1 of 1Top 100%
📍 Houston, TX: #81 of 924 inventorsTop 9%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #27,969 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4861360 Carbon dioxide absorption methanol process 1989-08-29
4839151 Recovery process 1989-06-13