David A. Rowland

📍 Mill Valley, CA: #372 of 776 inventorsTop 50%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,338,912 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4774589	Optical system image stabilizer employing electromechanical torque sensors	—	1988-09-27
4433597	Combined bottle cap opener	—	1984-02-28