TI

Thorvald E. Duffin, II

TD Tda: 9 patents #1 of 1Top 100%
📍 Reston, VA: #92 of 864 inventorsTop 15%
🗺 Virginia: #3,035 of 34,511 inventorsTop 9%
Overall (All Time): #528,685 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D294706 Personal computer keyboard template for displaying operating instructions for software program 1988-03-15
D291998 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291996 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291997 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291992 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291993 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291994 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291995 Personal computer keyboard template for displaying operating instructions for software program 1987-09-22
D291699 Personal computer keyboard template for displaying operating instructions for software program 1987-09-01
D291697 Personal computer keyboard template for displaying operating instructions for software program 1987-09-01