Sperian Hearing Protection L L C

USPTO Trademark & Patent Filings

Sperian Hearing Protection L L C

Trademark applications and grants for Sperian Hearing Protection L L C. Sperian Hearing Protection L L C has 7 trademark applications. The latest application filed is for "QP-110"

Company Profile
    Company Aliases
  • Sperian Hearing Protection, LLC
  • Sperian Hearing Protection, LLC - San Diego CA
  • SPERIAN HEARING PROTECTION, LLC - San Diego CA

Trademarks Patents
Patent Applications
Patent ApplicationDate
EARMUFF ENCLOSURE
20120243700 - 13/178322 Jenkins; John
2012-09-27
Methods and Apparatus for Continuous Noise Exposure Monitoring
20110058680 - 12/880967 Michael; Kevin
2011-03-10
NON-ROLL FOAM EARTIP
20100307861 - 12/792891 Tiemens; Jim
2010-12-09
EARTIP
20100300461 - 12/784970 Gilder; Stephen D. ;   et al.
2010-12-02
HEADPIECE FOR USE IN ASSOCIATION WITH A HEARING CAP
20090314298 - 12/518496 Hansson; Fredrik
2009-12-24
Patent Grants & Applications

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