DB

Douglas B. Brockhouse

DI Digeo: 1 patents #49 of 76Top 65%
📍 Kirkwood, MO: #131 of 290 inventorsTop 50%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,207,063 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6633877 Method and apparatus for delivery of selected electronic works and for controlling reproduction of the same Michael Saigh, Edward H. Chang, Hsiao-Shih Chang 2003-10-14
5734823 Systems and apparatus for electronic communication and storage of information Michael Saigh, Edward H. Chang, Hsiao-Shih Chang 1998-03-31