Kay I. O'Brien

📍 Marshfield, WI: #32 of 72 inventorsTop 45%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #4,026,135 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4558475	Curtain for shower doors	—	1985-12-17