Radio frequency transparent technology on display at 2016 CTIA Super Mobility, booth #4040 ST. PAUL, Minn.--(BUSINESS WIRE)--Wireless infrastructure can be a visual nuisance to its host communities.

WASHINGTON (AP) - Federal authorities are investigating a massive counterfeit N95 mask operation in which fake 3M masks were sold in at least five states to hospitals, medical facilities and ...

3M, the world's largest maker of respirator masks, said Friday it is willing comply with President Trump's order to manufacture and supply more critically needed N95 masks for the United States. But ...

3M, the largest maker of N95 face masks in the country, has sued another company for offering to sell New York City overpriced N95 masks for $45 million. 3M, the largest maker of N95 face masks in the ...

(CNN) -- N95 respirators, the gold standard of filtration masks, are back in the pandemic spotlight because of the highly contagious Omicron Covid-19 variant. Unlike earlier in the pandemic, N95s are ...

Minnesota-based 3M still ships millions of respirators, though health care is not the major market it briefly was. Few objects symbolize the pandemic as well as the N95. Impossible to find until they ...

Under a $126 million contract, the Department of Defense selected St. Paul, Minnesota-based 3M to increase production of N95 medical-grade masks to aid in the COVID-19 pandemic, DOD reported on May 7.

When buying a respirator mask on Amazon, it’s tough to know you’re getting a good one. WSJ put eight N95 and KN95 masks to the test and found not all tested at the required 95% filtration efficiency.