KJ

Keith B. Jefferts

NT Northwest Marine Technology: 3 patents #2 of 8Top 25%
📍 Shaw Island, WA: #1 of 2 inventorsTop 50%
🗺 Washington: #23,018 of 76,902 inventorsTop 30%
Overall (All Time): #1,298,438 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5134370 Apparatus for the detection of magnetic tags Philip A. Ekstrom 1992-07-28
4753193 Method for tagging macro-organisms and an apparatus used in performing the method 1988-06-28
4679559 Method and device for tagging a macro-organism 1987-07-14
4233964 Internally readable identifying tag Elaine R. Jefferts 1980-11-18