Individual holder
HALFAKER ALVIN J
US·6 granted patents·22 citations·filing 2012–2020
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0181US10507138B1Noise reduction earmuffs system and methodHALFAKER ALVIN J·Filed 2019·Granted Dec 17, 2019·5 cites·19 claims
- 0279US10149786B1Noise reduction earmuffs system and methodHALFAKER ALVIN J·Filed 2018·Granted Dec 11, 2018·3 cites·13 claims
- 0377US8429766B2Helmet with embedded sound suppression ear cupsHALFAKER ALVIN J·Filed 2012·Granted Apr 30, 2013·14 cites·7 claims
- 0465US11135094B2Noise reduction earmuffs system and methodHALFAKER ALVIN J·Filed 2020·Granted Oct 5, 2021·0 cites·14 claims
- 0560US10786394B2Noise reduction earmuffs system and methodHALFAKER ALVIN J·Filed 2019·Granted Sep 29, 2020·0 cites·14 claims
- 0654US10299962B1Noise reduction earmuffs system and methodHALFAKER ALVIN J·Filed 2018·Granted May 28, 2019·0 cites·27 claims
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