DP

Dimitrios P. Prezas

AT AT&T: 2 patents #12 of 261Top 5%
AT American Telephone And Telegraph: 2 patents #10 of 244Top 5%
📍 Chicago, IL: #20 of 382 inventorsTop 6%
🗺 Illinois: #133 of 3,813 inventorsTop 4%
Overall (1989): #11,128 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4890328 Voice synthesis utilizing multi-level filter excitation David Thomson 1989-12-26
4879748 Parallel processing pitch detector Joseph Picone 1989-11-07
4797926 Digital speech vocoder Edward C. Bronson, Walter T. Hartwell, Willem Baastian Kleijn 1989-01-10