Science: The Path of Progress: Oct. 9, 1939

Inventions patented in recent weeks at the U. S. Patent Office include the following:

¶An inflated rubber bicycle seat.

¶An extensible rear bumper which a parking motorist can crank out like a bustle to a distance of several feet, to prevent another car from parking too close behind.

¶A motor-driven fan for removing foam from beer.

¶Shoe chains to prevent pedestrians from slipping on icy walks.

¶A self-propelled electric iron.

¶Breast cups to prevent nursing mothers from losing milk by seepage.

¶An automatic mirror-wiper for vanity cases.

¶A lip exerciser for players of wind instruments.


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