DB

David J. Birnkrant

MC Mhs Care-Innovation: 2 patents #3 of 6Top 50%
TS The Metrohealth System: 1 patents #4 of 16Top 25%
HS Hill-Rom Services: 1 patents #77 of 114Top 70%
📍 Moreland Hills, OH: #28 of 83 inventorsTop 35%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #934,347 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12080401 Combination respiratory therapy device, system and method Chad M. Boerst, Mike Yang ChangGuo 2024-09-03
10814082 Combination respiratory therapy device, system and method Chad M. Boerst, Michael Yang ChangGuo 2020-10-27
9795752 Combination respiratory therapy device, system, and method Chad M. Boerst, Mike Yang ChangGuo 2017-10-24
8844530 Combination lung ventilation and mucus clearance apparatus and method 2014-09-30
8651107 Manual lung ventilation device 2014-02-18