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Canadian P.L._Robertsoninvented the Robertson Screwand screwdriver in 1908. He received a Patentin 1909, and later applied for and received other patents. The last patent expired in 1964.
What else can I help you with?
When was the screwdriver invented?
The screws were invented first in the late 1700s and the handheld screwdriver first appeared after 1800.
Where was the Philips screwdriver invented?
The Phillips screwdriver was invented in Portland, Oregon in the eary 1930's by Henry F.Phillips.
What uses were there for the screwdriver during the late middle ages?
None. The screw hadn't been invented and so the screwdriver wasn't invented.
Things that were invented in the 1900s?
the screwdriver in 1907 :)
What is torx screwdriver?
It is a screwdriver with a 6 pointed bit invented and much used in the auto industry.
Who invented the examples of a screwdriver?
That is literally dozens of inventors.
Drink invented by Texas oilmen who used their tools to stir?
A screwdriver.
Who invented multi changeable bit screwdriver?
Albert Kohler of Prince George, British Columbia claims to have invented it
Who invented ratchet screwdriver?
Apparently the first U. S. Patent for a ratchet screwdriver went to G. H. Talbot of Boston in 1858
Why was the screwdriver invented?
to help for closing locks for homes and cars in the olden days
Was Certain Tools or inventions developed in Canada?
the robertson head screwdriver, has a square end, invented in Milton Ontarion Canada, has the most strength on a screwdriver
What were all the possible uses to the screwdriver during the middle ages?
The screwdriver hadn't been invented yet, so there were no uses because there were no screws as well.
