DW

David L. Witcher

📍 Oak Island, NC: #4 of 18 inventorsTop 25%
🗺 North Carolina: #10,032 of 45,564 inventorsTop 25%
Overall (All Time): #999,433 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9420842 Protective helmet — 2016-08-23
9392833 Protective helmet — 2016-07-19
9113672 Protective helmet — 2015-08-25
6932537 Soft wall for race tracks — 2005-08-23
6773201 Soft wall for race tracks — 2004-08-10