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 What year were screw back earrings invented?

Answer Although there is no document of the exact date, screw-back earrings were invented sometime during the early 20th century. This screw-back style gave women the option of not having to pierce their ... Read More »
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Top Q&A For: What year were screw back earrings invented

When were screw back earrings invented?

Screw backs, patented in 1894, came before clip backs which were patented in 1934. Although most screw backs were for non-pierced ears, a threaded screw back for pierced ears was also available.Ref... Read More »
http://www.answerbag.com/q_view/2251425

How to Remove Screw Back Earrings?

A screw-back earring features a clasp mechanism that allows you to adjust the fit of the earring by rotating the earring's backing. Styles of clip-on antique earrings and post earrings are also ava... Read More »
http://www.ehow.com/how_5067881_remove-screw-back-earrings.html

What year was the phillips head screw invented?

Henry Phillips, an engineer from Portland, Oregon, invented Phillips head screws in 1936. Phillips received a total of five patents for his screw and screwdriver. The Phillips screw became very pop... Read More »
http://www.answerbag.com/q_view/1973696

When were screw top jars invented?

Inventor and tinsmith John L. Mason introduced his famous reusable Mason jar in 1858. The jar was equipped with a simple screw top lid that revolutionized food preservation. Previously, canning ja... Read More »
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