DC

Donald H. Clapp

📍 El Campo, TX: #1 of 3 inventorsTop 35%
🗺 Texas: #3,902 of 13,174 inventorsTop 30%
Overall (2025): #402,659 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12368406 Multi-mode security state system Walter D. Clapp, Robert Y. Seward 2025-07-22