CD

Charles E. Michielsen, deceased

📍 Pacifica, CA: #377 of 576 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,011,121 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4502876 Cartridge for use in rebreathing apparatus Albert R. Behnke, Jr., John P. Jones, by Sophie Michielsen, legal representative 1985-03-05