RH

Richard A. Hoffmann

DI Digisonix: 1 patents #16 of 27Top 60%
Overall (All Time): #3,778,873 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5446249 Dry acoustic system preventing condensation Seth D. Goodman 1995-08-29