EL

Ellsworth W. Lapp

📍 Rockford, IL: #351 of 1,291 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,293,373 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5465755 Three-position, four-way rotary valve with pistol grip actuator — 1995-11-14
4366673 Hydraulic amplifier — 1983-01-04
4342332 Three-position, four-way rotary valve — 1982-08-03
4292833 Crimping tool — 1981-10-06