when his father passed away, he became known as eli whitney, not junior. in 1841, his son eli took over the operation of the musket manufacturing from his cousins, public brothers whom we will talk about next -- the blake brothers whom we will talk about next. whitney's patent model was for a breach loading firearm. he received many patents over a and was one of the first manufacturers of percussion gun caps. in 1894 at the age of 74. the first lock company in new haven, connecticut was the blake brothers company, started in 1833 by three brothers. eli whitney blake, silas blake, and john blake, nephews of eli whitney, the inventor of the cop engine. after his death in 1825. the blake brothers took over operation of the factory, and whitney's son eli took over the operation from his cousins in 1841. eli whitney blake invented the first stone crushing machine, which provided the material to create the nations first paved roadways. the blake brothers patent in the first mortar locking latch that was inserted into the body of the door. their invention replace

away, hefather passed too became known simply as eli whitney. 1841, the son eli's portrait is on the screen took over the operation of the musket manufacturing from his cousins, the blake brothers who we will talk about next. whitney's patent model was for a new and improved breech loading firearm. he received many patents over the 30 year time. he was one of the first gunfacturers for percussion caps. the son eli whitney died in 1894 at the age of 74. they first lock company in new haven was the blake brothers company. it started in 1833 by three brothers. eli whitney blake, john blake and lawrence blake. inventor of the cotton gin, after whitney's death in 1825, the blake brothers took over the operation of the gun factory. as i mentioned, his son took over the operation from his cousins. 1858, he invented the first stone crushing machine which provided the material to build the nation's first paved roadways. this achievement earned him the title father of the american road system. brothers, patented by them in 1833 was the world's first lock and latch that was inserted into the bod