WJ

William I. Ferree, Jr.

LP Liquid Paper: 2 patents #2 of 3Top 70%
📍 Dallas, TX: #3,077 of 7,543 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,369,489 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4297260 Erasable writing medium composition Giao Nguyen 1981-10-27
4251276 Thermally activated ink and transfer method Giao Nguyen 1981-02-17