WW

Walter T. Welford

ST Summit Technology: 1 patents #9 of 22Top 45%
Overall (All Time): #1,668,315 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4941093 Surface erosion using lasers John Marshall, Anthony Raven, Karen M. M. Ness 1990-07-10
4802736 Interferometers Keith Gardner, Robert Longman, Robert M. Pettigrew 1989-02-07
4529305 Examining a gemstone Andrew D. G. Stewart, John S. Dodson 1985-07-16