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The leading manufacturer of N95 masks in the US says it has investigated 4,000 reports of fraud, counterfeiting and price gouging in connection with the product and has filed 18 lawsuits.
3M, based in Maplewood, is among the largest global producers of the N95 mask, which has been approved by the US National Institute for Occupational Safety and Health.
3M says courts have issued six temporary restraining orders and four preliminary injunctions so far to stop N95 sales that it says are unlawful.
The company says in some cases, it has led to criminal charges.
The schemes we shut down
