PB

Peter John Butlin

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,979,565 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9846489 Traverse row pattern tapered shaped inverted key keyboard — 2017-12-19