David E. Campbell — 1 Patent in 2003

AMAmerican Meter: 1 patents #1 of 2Top 50%

Westfield Center, OH: #1 of 1 inventorsTop 100%

Ohio: #1,649 of 5,836 inventorsTop 30%

Overall (2003): #243,794 of 273,478Top 90%

1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6512463	Bi-directional protocol	Eric T. Kiser	2003-01-28