JH

John B. Holt

IC ICI: 1 patents #1,088 of 2,189Top 50%
ND National Research Development: 1 patents #307 of 1,071Top 30%
Overall (All Time): #2,314,997 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4998945 Transplanting equipment Simon Miles, Arthur Leonard Wilkin 1991-03-12
4229347 Liquid diphenylmethane diisocyanate compositions Arthur Ibbotson 1980-10-21