AR

Alfred E. Ringwood

Overall (1989): #11,823 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4874398 Diamond compacts and process for making same 1989-10-17
4808337 Hot pressing of bellows like canisters Eric J. Ramm, Wilhelmus J. Bukyx, John G. Padgett 1989-02-28
4806098 Heat transfer and stabilizing apparatus Eric J. Ramm, Wilhelmus J. Bukyx, John G. Padgett 1989-02-21