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USPTO Patent Rankings Data through Sept 30, 2025
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Peter Dugmore

Cape Town, ZA: #87 of 534 inventorsTop 20%
Overall (All Time): #1,618,444 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6457838 Flashlight adaptor Gwendy Helen Hayward, Paul Bunn 2002-10-01
5897141 File stiffener Gwendy Helen Hayward, Paul Bunn 1999-04-27
5236101 Radiation proof tamper-indicating container 1993-08-17