Pretty much all the major American gunmakers at least took a swing at the semiauto market in the early 20th Century.
Colt holding Browning's patents, which included features now considered mainstream like 'a one-piece slide and breechblock that extends forward to enclose the barrel' meant that everybody else's had to be more complex, and therefore generally more expensive to manufacture and less reliable.
By the early '30s only Colt was still making autos, and it would stay that way until Smith stuck a toe back in the market in the '50s, after the Browning patents had well and truly lapsed.
While obviously not the sole cause, it's definitely a contributing factor in why America was revolver country for as long as it was.
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