DO

David A. Opperman

CP Colorado Voice Clinic, P.C.: 2 patents #1 of 1Top 100%
📍 Littleton, CO: #13 of 179 inventorsTop 8%
🗺 Colorado: #380 of 5,114 inventorsTop 8%
Overall (2022): #84,434 of 548,613Top 20%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11464599 Specimen marking mechanism Robert Witkow 2022-10-11
11432716 Retractor and tip extender therefor — 2022-09-06
D955572 Retractor — 2022-06-21