Because there were no suitable small electric motors available.
He invented it in precisely 1952. So they say.
because xcvi was invented .......;;;;;;;;0000):)")PP)
Salvia Divinorum is quite the eye opener... or so I've heard.
On February 6, 1894 William Painter (1838-1906) received a patent for a "Capped Bottle Opener" (US. Patent number 514,200). Two years earlier Painter had received three patents for a "Bottle Sealing Device."
john invented it for his mum so she would know how long it would take for her turn around.
So that food can be conviently stored and preserved in long term.
You can use a comma after an opener , so if it is 'Finally' the opener you are talking about, then yes.
it was invented by lots of people so over a long time
Daka Research Inc. manufactures the One Touch can opener and several one touch items. These items were mainly invented for the families of seniors so that they could have an better quality of life and the company now has a full line of item for the kitchen.
Singing was invented long before recorded history, so nobody knows who invented it.
The hacksaw was invented so long ago that it's inventor is unknown.
Yoou have to punch a hole all around the can, so that they form a ring around the top of the can which will take off the top.