Inventor · disambiguated record
A-Shen Chang
Also filed as: CHANG A-SHEN
6 granted patents·187 citations·filing 1985–1987
86Inventor score
Top patents by PatentIndex Score
6 records- 0185US4823449AAutomatic and continuous mechanism for processing and assembling venetian blind slatsCHANG A SHEN·Filed 1987·Granted Apr 25, 1989·67 cites·3 claims
- 0273US4724885ASemi-automatic shutter slat orientation adjustment and drape release control as applied in a double-layer window drape compatible with venetian blind slatsCHANG A SHEN·Filed 1986·Granted Feb 16, 1988·45 cites·4 claims
- 0365US4711005AMethod and apparatus for making slats for window blinds and the like from a continuous web of plastic materialJOANNA WESTERN MILLS CO·Filed 1986·Granted Dec 8, 1987·33 cites·20 claims
- 0451US4615087AContinuous mechanism for re-moulding, length-setting and assembling blind'sCHANG A SHEN·Filed 1985·Granted Oct 7, 1986·14 cites·2 claims
- 0547US4791703ALength adjustable center rod structure for a vertical shutter drapeCHANG A SHEN·Filed 1987·Granted Dec 20, 1988·19 cites·4 claims
- 0634US4750539AVertical blindsCHANG A SHEN·Filed 1986·Granted Jun 14, 1988·9 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when A-Shen Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →