DC

David C. Campbell

BD Black & Decker: 1 patents #55 of 154Top 40%
FI Filmax: 1 patents #1 of 3Top 35%
📍 Bel Air, MD: #6 of 36 inventorsTop 20%
🗺 Maryland: #235 of 2,389 inventorsTop 10%
Overall (2002): #69,572 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6484409 Pruner attachment apparatus for a power tool Angela Waldrop 2002-11-26
6476723 Insulating oil leak containment David McMahan Butler, Johnny James Clark 2002-11-05