Feline Diapers designed for incontinent elder cats, female cats in heat (piddling cats) and spraying male cats.
The Microvision is the first handheld game console that used interchangeable cartridges. It was released by the Milton Bradley Company in November 1979.[1] The Microvision was designed by Jay Smith, the engineer who would later design the Vectrex gaming console. The Microvision's combination of portability and a cartridge-based system led to moderate success, with Smith Engineering grossing $15 million in the first year of the system's release.
The world's first handheld console was released in 1979 by Milton Bradley. Microvision was designed by Jay Smith, designer of the Vectrex system. Despite the system's initial success, it was gone from the market by 1981, due to the small selection of games and plethora of technical problems.