WJ

William L. Riffel, Jr.

UA US Army: 1 patents #2,720 of 6,974Top 40%
📍 Wilmington, DE: #1,519 of 3,182 inventorsTop 50%
🗺 Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,325,459 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
H805 Exhalation duct John G. Schriver, John D. Scheible 1990-08-07
4864654 Protective hood jacket resistant to toxic environments John G. Schriver, John D. Scheible, Alan E. George 1989-09-12