RM

Ralph L. Mayfield

📍 Wichita, KS: #443 of 1,728 inventorsTop 30%
🗺 Kansas: #3,182 of 12,005 inventorsTop 30%
Overall (All Time): #1,649,312 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5588157 Toilet valve seat actuator assembly — 1996-12-31
D332341 Mailbox handle — 1993-01-05
5033670 Mailbox signal device — 1991-07-23