BD

Brian J. Duggan

BL British Technology Group Limited: 1 patents #139 of 501Top 30%
ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,301,098 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5201583 Temperature history indicator Joseph Ki Leuk Lai 1993-04-13
5096304 Temperature history indicator Joseph Ki Leuk Lai 1992-03-17