SIGMA
USPTO Trademark Record · Serial No. 74276138
Trademark details
It was initially claimed by Survivair, Inc. on 19920518.
That brand applies to the following goods and services:self contained compressed air breathing apparatus designed for respiratory protection in hazardous atmospheres for use by firefighters, miners, industrial workers, safety workers, chemical workers, and other safety personnel; respirators for use with a supplied atmosphere not for artificial respiration.
Currently that trademark is represented by trademark attorney(s): George F. Bethel.
You can learn more about that trademark on the USPTO website: View the USPTO record
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