DM

David C. Marriott

BB British Railways Board: 1 patents #1 of 2Top 50%
📍 Beeston, GB: #1 of 4 inventorsTop 25%
Overall (1997): #162,498 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5598782 Methods of railway track maintenance Paul W. Wiseman 1997-02-04