22 Utility Patents
#6 in Butler, PA
#2,454 in Pennsylvania
#74,655 in US
#146,340 in the World
Forward Citations = 174
Company Filing History:
Mine Safety Appliances Company

4. 1 out of 16
Msa Europe Gmbh
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#6 in Butler, PA
#2,454 in Pennsylvania
#74,655 in US
#146,340 in the World
Company Filing History:

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