Seed Drill Choke Indicator
Patent has been granted for the developed invention entitled A sensing device for
use with a tractorin accordance with the provision of the patent Act 1970. Application
No. 746/DEL/1977. Patent filed through the funding agency i.e. Secretary, Department
of Electronics, Government of India, New Delhi. Inventors are A. K. Rai, K. Shivdasan,
and S. N. Murty. Patent No. 232368.