8 Utility and 2 Design Patents
#39 in Chula Vista, CA
#65,983 in California
#251,977 in US
#514,435 in the World
rank by utility patentsForward Citations = 54
Company Filing History:
Sperian Hearing Protection, LLC

Honeywell Safety Products Usa, Inc.
4. 1 out of 1
Sperian Hearing Protection, LLC (delaware Limited Liability Company)
5. 1 out of 15,452
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