No, it doesn't; it explicitly mentions (though does not name) commercial efforts prior to that starting early in the 20th C that failed to be commercial successes because of various issues with ink, etc., and that the first successful line, from later ballpoints derive, began production in 1943 in Argentina.
Just because they weren't commercially successful doesn't mean there weren't people who had then and used them.
Just because they weren't commercially successful doesn't mean there weren't people who had then and used them.