trade free

Although there was not a patent awarded specifically for screens to keep insects out many US paten… Read more When Were Window Screens Invented

Who first invented the piano. He was an expert harpsichord maker employed by Ferdinando de Medici … Read more When Did Piano Invented

The first wallets were made of cow or horse leather and included a small pouch for ID cards. Inter… Read more When Was Digital Wallet Invented

This analog set-up was used in many of the cameras and TVs during that time. Finally in 1977 the S… Read more When Was Digital Video Invented

The typewriter works on the basis of pressing. When Was The Piano Keyboard Invented Who Invented I… Read more How Keyboard Invented

Information sharing and file sharing was the birthplace of Electronic books. Answer 1 of 4. The … Read more When Were Electronic Books Invented

The Atari Video Computer System VCS first released in 1977 was subsequently renamed the Atari 2600… Read more When Was The First Digital Device Invented

There was a medieval tradition according to which the Greek philosopher Parmenides 5th century bce… Read more When Was Logic Invented

Instead of using a wire covering for the dandy roll the shaded watermark is created by areas of re… Read more When Was Digital Watermark Invented

Computer has become an indispensable and multipurpose tool. John Vincent Atanasoff an American phy… Read more When Was First Digital Computer Invented

Dated October 23 1956 this patent describes a digital alarm clock having a bellcrank lever aimed. … Read more When Was Digital Clock Invented

1972 The first active-matrix liquid crystal display LCD panel was produced by Westinghouse. The197… Read more When Was Digital Tv Invented

Bringing together Nikons optical and precision technology the Nikon F drew a major reaction from a… Read more When Was The First Digital Slr Invented What Brand Invented It

The history of green screen began in earnest with the invention of chroma key technology in the 19… Read more When Were Digital Screens Invented

In1886 to produce the machine andreceived a patent for his invention in 1888. The Pascaline was de… Read more When Was Adding Machine Invented

Abram Louys Perrelet a church elder from Le Locle Switzerland created the very first self-winding … Read more When Was The Watch First Invented

Common soap bars were invented in the 19th century. This miracle of modern technology was created.… Read more When Were E-books Invented