JC

John C. Crownshaw

SL Standard Telephones And Cables Public Limited: 2 patents #3 of 83Top 4%
IE International Standard Electric: 1 patents #147 of 567Top 30%
RP Renishaw Plc: 1 patents #178 of 313Top 60%
Overall (All Time): #1,299,847 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5013152 Interchangeable interferometric optical mounting elements 1991-05-07
4678270 Submersible optical repeaters and optical fibre glands Duncan A. Gunn, Arthur A. Davis, Gilbert W. P. Colegate 1987-07-07
4622197 Applying thermoplastics sleeve to crush resistant tubing 1986-11-11
4262913 High pressure gland for optical fibres and/or electrical conductors Colin S. Parfree, Duncan A. Gunn 1981-04-21