The Path of Progress

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

P:An inflated rubber bicycle seat.

P: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.

P:A motor-driven fan for removing foam from beer.

P:Shoe chains to prevent pedestrians from slipping on icy walks.

P:A self-propelled electric iron.

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

P:An automatic mirror-wiper for vanity cases.

P:A lip exerciser for players of wind instruments.

P:An ejector for removing butter from butter forks.

P:An electric diving suit which shocks attacking fish.

P:Ventilated shoe trees.

P:A portable toilet to be attached to the rear ends of urban dogs.

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