Robert J. Rubey

SD Sterling Drug: 3 patents #50 of 246Top 25%

📍 Wisconsin Rapids, WI: #19 of 103 inventorsTop 20%

🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%

Overall (All Time): #1,681,664 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4448212	Check valve for use with high pressure pump	—	1984-05-15
4393895	Check valve for use with high pressure pump	—	1983-07-19
4243067	Ball type check valve	—	1981-01-06