RL

Richard W. N. Langdon

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Kaikōura District, NZ: #1 of 1 inventorsTop 100%
Overall (All Time): #3,534,823 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6341580 Nucleus and method for producing half or mabe pearls — 2002-01-29