Aquapac
Aquapac is a registered trademark and brand name of a UK-based manufacturing company, Aquapac International Limited, specializing in waterproof cases and bags. The privately owned company was formed in 1983 and holds patents worldwide on systems for sealing bags and cases. The range commenced with a waterproof case for the original Sony Walkman known as the ‘Aquaman’, followed by cases for handheld VHF radios. Following Motorola’s invention of the first cellphone Aquapac launched the world’s first waterproof cellphone case. Nokia was an important customer for these cases during the 1990s, as were cellphone operators such as Deutsche Telekom and NTT DoCoMo. Aquapac went on to launch waterproof cases for other handheld electronics such as cameras and eReaders. The company operates out of factories in London, England.
Elisha Gray and Alexander Bell telephone controversy
After largely abandoning his telephone experiments, fourteen months later on February 11, 1876, Gray . On February 14, Gray's lawyer with a similar diagram. The same day, Bell's lawyer filed (hand-delivered to the U.S. Patent Office) a patent application on the harmonic telegraph, including its use for transmitting vocal sounds. On February 19, the patent office suspended Bell's application for three months to give Gray time to submit a full patent application with claims, after which the patent office would begin interference proceedings to determine whether Bell or Gray were first to invent the claimed subject matter of the telephone.