Steven D. Johann

BI Beckman Instruments: 2 patents #127 of 431Top 30%

📍 Concord, CA: #288 of 739 inventorsTop 40%

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

Overall (All Time): #2,292,195 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5286177	Fluid pump having floating reciprocating shaft	—	1994-02-15
5152188	Floating reciprocating shaft	—	1992-10-06