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In 1850 Mr. Augustus Pope of Boston invented the first electrical burglar alarm.
Edwin Holmes invented the burglar alarm in 1852
The first digital alarm clock was invented in 1956 by D.E. Protzmann, an engineer at General Electric. This alarm clock featured a digital display and the ability to set specific alarm times, setting the foundation for modern digital alarm clocks.
monax
Five years after the burglar was invented.
In 1967
The rain alarm was invented by Andrew Grimes. It is a device that alerts users when rain is approaching so they can take necessary precautions.
1787 in New Hampshire.
the guy who invented the alarm clock.
The dude who invented the alarm clock
12666554455 years ago
False. The burglar alarm was actually invented by Edwin Holmes in 1857. Alfonso Alvarez Blade did not invent the burglar alarm in 1911.