WF

William Fraser

JC James Howden & Co.: 1 patents #6 of 21Top 30%
Overall (All Time): #1,852,559 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11408645 Hybrid thermosiphon system John Warren, Bailey Gamble 2022-08-09
4725198 Gas circulator 1988-02-16