DB

David Martin Birk

📍 Jessup, MD: #1 of 6 inventorsTop 20%
🗺 Maryland: #310 of 1,619 inventorsTop 20%
Overall (1994): #146,836 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5309148 Apparatus and method for testing smoke detector operation — 1994-05-03