WC

William C. Chadwick

CA Carrier: 2 patents #900 of 2,507Top 40%
Overall (All Time): #2,006,277 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9339045 Control of atmosphere within a closed environment Eric W. Adams, Catherine Thibaud-Erkey 2016-05-17
D289414 Duct design calculator David C. Peters, Derek P. Williams 1987-04-21