Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MH

Maurice Van Hall

DLDraeger Limited: 1 patents #1 of 5Top 20%
Bedlington, GB: #1 of 2 inventorsTop 50%
Overall (2002): #262,911 of 266,432Top 100%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6405728 Breathing apparatus David Ian Middleton, Henri Schwegman, James Leslie McMillan, Ian Barrett 2002-06-18