RC

Richard C. Chatfield

Overall (All Time): #2,172,790 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7104709 Document printing process James C. Maher, Daniel A. Charles 2006-09-12
5101142 Solid-state ballast for fluorescent lamp with multiple dimming 1992-03-31