LC

Louis A. Challis

Overall (All Time): #2,348,703 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4596307 Fluid discharge silencer 1986-06-24
4279325 Acoustic treatment for fans 1981-07-21