8 Utility Patents
#22 in Butler, PA
#9,354 in Pennsylvania
#254,223 in US
#520,178 in the World
Forward Citations = 112
Company Filing History:
Mine Safety Appliances Company
Other
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#22 in Butler, PA
#9,354 in Pennsylvania
#254,223 in US
#520,178 in the World
Company Filing History:
Get your Inventor Badge Today