> Carlson proved in 1938 that this process was viable, using moss spores for toner. But when he pitched it to Kodak, General Electric Co., and other tech giants of the day, the response was, as he later put it, “an enthusiastic lack of interest.”

Another story where the inventor goes to big companies to sell the product and they dont take him seriously which is kind of funny when Xerox became a big corp, it did not take the GUI/Ethernet created by their people seriously.