WM

William Markham

📍 Verona, VA: #2 of 10 inventorsTop 20%
🗺 Virginia: #6,192 of 34,511 inventorsTop 20%
Overall (All Time): #938,295 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12171193 System, method, and device for securing a leash to an object 2024-12-24
5271848 Treating of waste water with bauxite to remove phosphates from the waste water Rodney W. Smith, Walter W. Robinson 1993-12-21
4933087 Recovery of fats and proteins from food processing wastewaters with alginates John Reid, George L. Coffman 1990-06-12
4828577 Process for converting food sludges to biomass fuels John Reid 1989-05-09
4728517 Conversion of biological sludge and primary float sludge to animal protein supplement John Reid 1988-03-01