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US D388,872 SGranted
Full face respirator lens
AssigneeMinnesota Mining and Manufacturing Company
InventorsVaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom, David C. Byram
Life of this patent
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Abstract
The abstract isn’t available for this document.
Claims1
The ornamental design for a full face respirator lens, as shown and described.