HG

Hiroshi J. Goldsmid

UL Unisearch Limited: 2 patents #15 of 200Top 8%
Overall (All Time): #2,357,818 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4445367 Hardness tester — 1984-05-01
4324129 Method and means for distinguishing gemstones — 1982-04-13