ND

Narayan Das

CC Coral Chemical: 2 patents #1 of 12Top 9%
NC National Crane: 1 patents #21 of 53Top 40%
📍 Westmont, IL: #24 of 290 inventorsTop 9%
🗺 Illinois: #10,078 of 84,256 inventorsTop 15%
Overall (All Time): #589,157 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6027579 Non-chrome rinse for phosphate coated ferrous metals John P. Jandrists 2000-02-22
5332452 Coating composition and method for the treatment of formed metal surfaces 1994-07-26
5279677 Rinse aid for metal surfaces 1994-01-18
5139586 Coating composition and method for the treatment of formed metal surfaces 1992-08-18
4470853 Coating compositions and method for the treatment of metal surfaces Peter Stastny 1984-09-11
4422886 Surface treatment for aluminum and aluminum alloys Joy M. Schaefer 1983-12-27
4391652 Surface treatment for aluminum and aluminum alloys Joy M. Schaefer 1983-07-05
4381064 Coated sheet material and container therefrom Surya K. Misra 1983-04-26
4285223 Phosphate and ester coating method Surya K. Misra 1981-08-25