HM

Howard L. Markham

📍 Rosemead, CA: #61 of 116 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,711,021 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5607133 Apparatus and method for supporting a cylindrical tank Perry D. Markham 1997-03-04