Was Cochran’s dishwasher patented before Spangler’s portable electric vacuum cleaner?

Both machines feel like products of the modern household, and the vacuum cleaner, which seems the simpler tool, might look like the older one. But Josephine Cochran’s dishwasher patent was granted in 1886, 22 years before James Murray Spangler’s 1908 patent for a portable electric vacuum cleaner. Cochran designed her machine to wash dishes by machine instead of by hand, and her first customers were hotels and restaurants rather than ordinary households, which is one reason it is not remembered as a household invention of the 1880s. Machines for cleaning floors existed before 1908, and home dishwashers took decades to catch on, so this duel compares two named patents, not first prototypes or the years families started using them. On that measure, the dishwasher wins clearly.