Uncracked again!
Answer : The First Indian patent
- An Efficient Punkah Pulling Machine by George Alfred DePenning (1856). He also started the firm DePenning & DePenning which acts as a Patent Agent to represent inventors struggling with the process of patenting new inventions.
1 comment:
I guess it is the patend givem to Abraham Lincoln.. device to buoy vessels over shoals
---Rithwik K
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