Richard Jefferson

DF Delaware Capital Formation: 1 patents #262 of 626Top 45%

📍 Garden Grove, CA: #213 of 564 inventorsTop 40%

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

Overall (All Time): #2,207,322 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6637625	Continuous positive displacement metering valve	—	2003-10-28
5931355	Disposable rotary microvalve	—	1999-08-03