HC

H. T. Cheng

Overall (All Time): #2,290,658 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5471761 Power-driven tape measure 1995-12-05
4803585 Tape recorder stop mechanism 1989-02-07