Victorinox obtained Swiss patents for knives that had been made for centuries in other countries, notably Germany, France, Bohemia, and England.
One can get a Swiss patent on anything, if one is Swiss.
The modern round end 4 blade utility knife, aka scout knife, along with its 6 blade cousin, was a hybrid of the older multi-blade construction from Europe, with the American equal-end cattle knife.
The e-e cattle knife dates circa 1880s, a beefed up version of the senator pen knife of the 1820s.
The modern round end 4 blade utility knife, aka scout knife, appeared between 1900 and 1910.
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