JL

John M. Langa

RS Ris Irrigation Systems: 2 patents #1 of 9Top 15%
JI James Hardie Irrigation: 1 patents #5 of 14Top 40%
📍 South Lake Tahoe, CA: #38 of 222 inventorsTop 20%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,287,443 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5591293 Process for manufacturing drip irrigation systems using plastic lamination/extrusion techniques David B. Miller, Rodney Ruskin 1997-01-07
4880167 Irrigation hose with linear turbulent flow emitter Michael J. Boswell, Kermit R. Littleton 1989-11-14
4541569 Drip irrigation conduit and method of making the same 1985-09-17
4474330 Drip irrigation conduit and method of making the same 1984-10-02