The Path of Progress

Inventions on which U. S. patents were recently granted include the following:

> Eyeglasses with a rear-view mirror attached.

> A burglar-catching window which drops, catches the burglar around the middle when he is halfway over the sill.

> A coffin with built-in illumination.

> A wrist watch with an alarm device which taps the wearer's wrist at the hour set.

> An alarm clock, for heavy sleepers, which drops ropes to tickle the face.

> A dry shaver equipped with an abrasive wheel to rub off the whiskers.

> A bell device, to be carried on a golfer's wrist, which rings when he has finished his swing, signals him that he can now lift his head.

> A golf club with an electric light in the head which flashes when the player makes a correct swing.

> An abdominal exerciser equipped with a gong which rings when the wearer is breathing properly.

> A dice cup which gives a signal when the dice have been shaken enough.

> A bib with a corrugated surface to slow dripping liquids, a trough at the bottom to catch them.

> A football with a ridged surface to give forward-passers and other ball-handlers a better grip.

> A nonskid flapjack turner.

> A corset which stretches or shrinks, to conform with body movements, by means of telescoping sections.

> A cigaret printed with advertising matter in invisible ink, which becomes visible when the cigaret is smoked.

> Umbrella ribs provided with blunt tips, to protect eyes.

> An ice bag shaped like a hat, for headache sufferers.

> Rubber sausage casings.

> Tasteless aspirin.

> A non-dripping hot dog, with a hole through the middle in which the mustard is deposited by a tube.

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