DB

David K. Beavon

TP The Ralph M. Parsons: 4 patents #1 of 8Top 15%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,309,458 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4406873 Process for sulfur production 1983-09-27
4279882 Process for sulfur production 1981-07-21
4233141 Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gases Mark Mackles 1980-11-11
4207304 Process for sulfur production 1980-06-10