DW

Douglas Walker

UC Union Oil Company Of California: 2 patents #143 of 385Top 40%
📍 Elk Grove Village, IL: #138 of 434 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,455,506 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10751752 Method of increasing surface adhesion of an architectural metal finish Susan Agro, Sandor Erdei 2020-08-25
5045214 Methods for removing substances from aqueous solutions 1991-09-03
5013453 Method for removing heavy metals from aqueous solutions by coprecipitation 1991-05-07