When did the Seth Thomas Clock Company first make clocks?
Seth Thomas started in the clock business in the year 1807 but he didn't start his own clock company till a few years latter in 1812. Which he ran until his death in 1859.
the first digital clock was invented by Peter Petrov in 1968 The patent for the mechanism used in Pennwood and Lawson digital clocks was granted to Frederick A. Greenawalt, an employee of the Pennwood Company. Greenawalt's patent was issued in February 1935. Lawson stated selling digital clocks in 1934.