DW

David C. Willard

FA Foseco Trading A.G.: 1 patents #8 of 38Top 25%
Overall (All Time): #1,299,040 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5013499 Method of flame spraying refractory material 1991-05-07
4981628 Repairing refractory linings of vessels used to smelt or refine copper or nickel 1991-01-01
4946806 Flame spraying method and composition 1990-08-07
4245761 Continuous casting Ian J. Hazlehurst 1981-01-20