SP

Stephen P. Porter

LM Ligon Brothers Manufacturing: 1 patents #1 of 4Top 25%
📍 Imlay City, MI: #2 of 3 inventorsTop 70%
🗺 Michigan: #1,426 of 5,720 inventorsTop 25%
Overall (2005): #97,144 of 245,428Top 40%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6837265 One way anti-back flow valve Andrew L. Patrius, Jr. 2005-01-04