DC

Dick J. Chang

TA The Aerospace: 6 patents #52 of 604Top 9%
Overall (All Time): #882,919 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6253599 Pressure vessel testing fixture Pierre R. Valenzuela 2001-07-03
6178825 Honeycomb shear testing method Pierre R. Valenzuela, Richard P. Welle 2001-01-30
5814734 Microballoon impregnated fiber reinforced RTV film compression stress James P. Nokes, Francis Hai 1998-09-29
5808207 Microballoon impregnated fiber reinforced RTV film compression stress sensor testing method James P. Nokes, Francis Hai 1998-09-15
5753823 Rubber substrate shear lap-joint testing fixture William D. Hanna 1998-05-19
5705752 Rubber substrate shear lap-joint testing fixture and method William D. Hanna 1998-01-06