EC

Edward Campbell

📍 Frederick, MD: #322 of 816 inventorsTop 40%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #1,882,422 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11058239 Cable grappling assembly Christine Campbell 2021-07-13
5480314 Retractable electric plug — 1996-01-02