DH

David W. Howell

UC Union Oil Company Of California: 1 patents #21 of 63Top 35%
📍 Oak Ridge, NC: #4 of 5 inventorsTop 80%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #122,904 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4863645 Apparatus and process for producing particulate sulfur Bruce A. Harbolt 1989-09-05