DH

Duane W. Houck

📍 Cadillac, MI: #160 of 282 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,927,570 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4829573 Speech synthesizer Richard T. Gagnon 1989-05-09