JS

John D. Spencer

📍 Allendale, MI: #1 of 5 inventorsTop 20%
🗺 Michigan: #1,426 of 5,720 inventorsTop 25%
Overall (2005): #168,184 of 245,428Top 70%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6938477 Solid state illuminator for bi-colored ported water level gauges David Kalix 2005-09-06