Today in 1967 a patent for an apparatus for solar cooling and heating a house was received by Harry Thomason.

Polaroid Innovation, Past and Present http://ow.ly/3xogV

Companies like @Clorox, Danco Inc, @pgnewsus are using @InventHelp as a resource to look for new products. http://ow.ly/3xnPn @junevaa

Wirelessly Play Music with Weezy Gadget http://ping.fm/47b8S

Today in 1975 "U.S. Patent Office" was renamed "U.S. Patent and Trademark Office".

The AH-D310R is the latest in Denon's mobile elite range, with its sights set on conquering the lower-end headphone markethttp://ow.ly/3wesd

Remembering Inventors: Today in 1982 Vladimir Zworykin died. Zworykin was the Russian engineer who invented the cathode-ray tube.