DC

Donald H. Clapp

📍 El Campo, TX: #2 of 23 inventorsTop 9%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,727,185 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12368406 Multi-mode security state system Walter D. Clapp, Robert Y. Seward 2025-07-22
11437948 Modular sustainable power generation unit Walter D. Clapp, Robert Y. Seward 2022-09-06