Patents Represented by Attorney Tychman & Park LLC
  • Patent number: 7254903
    Abstract: Disclosed is footwear including a ventilation and shock-absorbing device having an air pump and a check valve for passing air supplied by the air pump. The footwear includes an air chamber provided at a front of the check valve for storing the air supplied through an inlet passage connected to the check valve, and an air tube having one or more discharge holes for discharging the air stored in the air chamber into the footwear.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: August 14, 2007
    Inventors: Jong Soo Cho, Hyeon San Jeong