DO

David A. Opperman

CP Colorado Voice Clinic, P.C.: 3 patents #1 of 1Top 100%
📍 Littleton, CO: #13 of 176 inventorsTop 8%
🗺 Colorado: #498 of 5,412 inventorsTop 10%
Overall (2019): #93,341 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D866759 Retractor — 2019-11-12
10349823 Retractor and tip extender therefor — 2019-07-16
10238373 Retractor — 2019-03-26