WC

W. Jeff Chrystal

📍 Portage, MI: #4 of 56 inventorsTop 8%
🗺 Michigan: #371 of 6,370 inventorsTop 6%
Overall (2003): #19,652 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D475423 Training device 2003-06-03
6537160 Training device 2003-03-25
D469485 Training device 2003-01-28