DB

David M. Brown

AL Allegiance: 1 patents #7 of 19Top 40%
NP National Railroad Passenger: 1 patents #1 of 7Top 15%
📍 Baltimore, MD: #23 of 259 inventorsTop 9%
🗺 Maryland: #235 of 2,389 inventorsTop 10%
Overall (2002): #69,594 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6478789 Wound drain with portals to enable uniform suction Stephen R. Spehalski 2002-11-12
6386492 Temporary sign holder D. Bernard Heffernan, Nicholas J. Skoutelas 2002-05-14