DD

Darrel A. Dolph

NA Nartron: 3 patents #1 of 9Top 15%
📍 Hersey, MI: #1 of 1 inventorsTop 100%
🗺 Michigan: #116 of 3,452 inventorsTop 4%
Overall (1989): #11,316 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4882586 Analog-to-digital converter Leonard W. Demski, Robert E. Taylor, Jean-Marie Loisel 1989-11-21
4825385 Speech processor method and apparatus Leonard W. Demski, Robert E. Taylor, Arthur R. McKendry 1989-04-25
4797924 Vehicle voice recognition method and apparatus Michael J. Schnars, Yu-Jih Liu 1989-01-10