JR

Josephine A. Roberts

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Bethesda, MD: #720 of 2,269 inventorsTop 35%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,649,898 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5388571 Positive-pressure ventilator system with controlled access for nebulizer component servicing Jephthae W. Burwell 1995-02-14
5119807 Pressurized medical ventilation system Jephthae W. Burwell 1992-06-09
4805609 Pressurized ventilation system for patients Jephthae W. Burwell 1989-02-21