JH

John Humphries

TL The Marconi Company Limited: 2 patents #12 of 193Top 7%
UA United Kingdom Atomic Energy Authority: 1 patents #117 of 350Top 35%
📍 Romford, GB: #35 of 160 inventorsTop 25%
Overall (All Time): #1,676,273 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4683056 Cold trap apparatus Neil MORRISON 1987-07-28
4359281 Method and apparatus for testing the braking efficiency of machines 1982-11-16
4314153 Optical velocity responsive apparatus and arrangements Ivor R. Baxter, David G. F. Fripp 1982-02-02