Cooke and Wheatstone telegraph
The Cooke and Wheatstone telegraph was an early electrical telegraph system dating from the 1830s invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone. It was the first telegraph system to be put into commercial service. The receiver consisted of a number of needles which could be moved by electromagnetic coils to point to letters on a board. This feature was liked by early users who were unwilling to learn codes, and employers who did not want to invest in staff training.
Patent infringement
Since the 1840s, the expression "patent pirate" has been used as a pejorative term to describe those that infringe a patent and refuse to acknowledge the priority of the inventor. Samuel F. B. Morse, inventor of the telegraph, for example, complained in a letter to friend in 1848