ER

Elizabeth A. Robertson

📍 Dubuque, IA: #164 of 571 inventorsTop 30%
🗺 Iowa: #3,757 of 15,303 inventorsTop 25%
Overall (All Time): #1,299,914 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D318304 Bubble wand Richard L. Neuroth, Margerate A. B. Neuroth, Richard A. Robertson 1991-07-16
D317631 Bubble wand Richard L. Neuroth, Margerate A. B. Neuroth, Richard A. Robertson 1991-06-18
D317183 Bubble wand Richard L. Neuroth, Margerate A. B. Neuroth, Richard A. Robertson 1991-05-28
D316881 Bubble wand Richard L. Neuroth, Margerate A. B. Neuroth, Richard A. Robertson 1991-05-14