LexDanaLexDanabeta
Inventor

Kai-Sheng Hsu

Inventor
Walnut, CA, US

Overview

2→
Patents
2012
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E06Bprimary
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates67%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
8,267,144'Roman shade window curtain having a special head rail for using a roller shade as its release/retraction control'20128,127,821'Roman shade window curtain having rolling spool for multi-step retracting/unfolding control'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to HSU KAI-SHENG (2)· patent assignee history
2012Patents assigned to PACIFIC HERITAGE HOME FASHIONS INC (2)· patent assignee history
2012Patents assigned to WANG CHIH YUNG (2)· patent assignee history
2012Based in Walnut, CA, US· patent location history
2012Based in Yorba Linda, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HSU KAI-SHENGself22012
PACIFIC HERITAGE HOME FASHIONS INC22012
WANG CHIH YUNG22012
Locations
LocationPatentsSpan
Walnut, California, US12012
Yorba Linda, California, US12012