That is literally dozens of inventors.
The screws were invented first in the late 1700s and the handheld screwdriver first appeared after 1800.
The Phillips screwdriver was invented in Portland, Oregon in the eary 1930's by Henry F.Phillips.
None. The screw hadn't been invented and so the screwdriver wasn't invented.
the screwdriver in 1907 :)
It is a screwdriver with a 6 pointed bit invented and much used in the auto industry.
Examples are: hammer, mallet, screwdriver, allen key, and spanner.
a screwdriver opening a the lid of a paint can
Screwdriver and hammer are examples of contruction technology
Screwdriver and hammer are examples of contruction technology
A screwdriver.
Albert Kohler of Prince George, British Columbia claims to have invented it
Apparently the first U. S. Patent for a ratchet screwdriver went to G. H. Talbot of Boston in 1858