KD

Karl J. Douglass

📍 Doylestown, PA: #173 of 956 inventorsTop 20%
🗺 Pennsylvania: #10,339 of 74,527 inventorsTop 15%
Overall (All Time): #654,290 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8215897 Cylindrical wind turbine Francis J. McCabe, Robert G. Dickie 2012-07-10
6418951 Hand grip and ball glide for a walker 2002-07-16
6014981 Walker formed substantially from a polymer 2000-01-18
5901891 Attachable container particularly suited for ambulatory aids 1999-05-11
D397644 Walker 1998-09-01
5779118 Attachable container particularly suited for ambulatory aids 1998-07-14
5516021 Attachable container particularly, suited for ambulatory aids 1996-05-14
5480079 Attachable container particularly suited for ambulatory aids 1996-01-02