David Christopher Andres

UN Unknown: 5 patents #3,065 of 83,584Top 4%

📍 Berkeley, CA: #1,416 of 3,731 inventorsTop 40%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,632,702 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5882183	Self-aligning rotary vane	—	1999-03-16
5571244	Air bearing rotary engine	—	1996-11-05
5509388	Internal combustion rotary engine	—	1996-04-23