NS

Naranammalpuram S. Subramanian

Overall (All Time): #1,659,590 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5269336 Air ventile for pressure cookers and pressure cookers having the same — 1993-12-14
5011035 Pressure regulating system for use in pressure cookers and pressure cooker having the same — 1991-04-30
4534485 Pressure cookers having vent means — 1985-08-13