Inventor · disambiguated record
Eldwin Chang
Also filed as: CHANG ELDWIN
3 granted patents·4 pending applications·75 citations·filing 2014–2015
74Inventor score
Technology areasF41B
Top patents by PatentIndex Score
7 records- 0189US9417029B1Arrow shaft pressing device for crossbowCHANG ELDWIN·Filed 2015·Granted Aug 16, 2016·29 cites·6 claims
- 0286US9347731B1Crossbow deviceCHANG ELDWIN·Filed 2015·Granted May 24, 2016·23 cites·3 claims
- 0382US9121659B1Crossbow assemblyCHANG ELDWIN·Filed 2014·Granted Sep 1, 2015·23 cites·7 claims
- 0439US2015285581A1Bow with take-up cables anchored to riserPOE LANG ENTPR CO LTD·Filed 2014·Application pending·0 cites
- 0539US2015285582A1Crossbow with take-up cables higher than let-off cablePOE LANG ENTPR CO LTD·Filed 2014·Application pending·0 cites
- 0638US2015211825A1Archery bow with skidproof handle gripCHANG ELDWIN·Filed 2014·Application pending·0 cites
- 0738US2015226511A1Limb mounting system for archery bowCHANG ELDWIN·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →