yaar i have found some good patents.zaroori nahi ki hum apne idea mein sirf chair par mechanism lagayen hum kuchh aur bhi kar sakte hain. hum ek alag se attachment use kar sakte hain uthne mein help karne ke liye.. In pdf's mein aise hi products hain.
maine aur puneet ne ek pdf padi hai jisme 'sit to stand' (sts) ke diff. postures samjha rakhe hain aur ye bataya hua hai ki old people ko problem kahan hoti hain...
main kuchh pdf's post kar raha hun, inmein se first three zaroor dekh lena..
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Anshul Singhal
2nd year undergraduate student
Production and Industrial Engineering
Indian Institute of Technology Delhi