Ernest J. Chang

AC Alberta Research Council: 1 patents #78 of 174Top 45%

📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%

Overall (All Time): #3,779,716 of 4,157,543Top 95%

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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5449293	Recognition training system	Carl Gutwin	1995-09-12