Duane W. Houck

📍 Cadillac, MI: #3 of 11 inventorsTop 30%

🗺 Michigan: #694 of 3,452 inventorsTop 25%

Overall (1989): #32,026 of 140,708Top 25%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4829573	Speech synthesizer	Richard T. Gagnon	1989-05-09