TREA

Wai-Man Lai

Follow

Organization

  • Aberdeen, HK
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Building block for rolling shutter
    • Patent number 6,041,847
    • Issue date Mar 28, 2000
    • Wai-Man Lai
    • Man-Chi Lai
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks