DR

David Riches

BS Barrow Hepburn Sala: 2 patents #2 of 4Top 50%
📍 Bangor, GB: #1 of 3 inventorsTop 35%
Overall (1994): #35,790 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5343975 Personnel fall-arrest systems Leonard J. Feathers 1994-09-06
5279385 Fall-arrest apparatus Leonard J. Feathers 1994-01-18