CH

Cheng-Hui Hsu

Overall (2002): #2,385 of 266,432Top 1%
9
Patents 2002

Issued Patents 2002

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
D465426 Measure tape 2002-11-12
6477785 Measuring tape having a quick and effort-saving retracting device 2002-11-12
6464160 Tape measure having quick rewinding mechanism 2002-10-15
6405451 Lock mechanism of tape measure 2002-06-18
D458550 Measuring tape 2002-06-11
D457449 Measuring tape 2002-05-21
6374496 Structure art design knife 2002-04-23
6357133 Flexible rule rewinding device 2002-03-19
D454042 Utility knife 2002-03-05