WH

William M. Hartman

📍 Des Plaines, IL: #4 of 49 inventorsTop 9%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #20,089 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D381323 Laptop screen 1997-07-22
D379461 Combined microphones and stand 1997-05-27