Chang J. Song

📍 Seattle, WA: #26 of 553 inventorsTop 5%

🗺 Washington: #107 of 2,427 inventorsTop 5%

Overall (1997): #17,495 of 185,788Top 10%

Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D383599	Key ring	—	1997-09-16
D383600	Key ring	—	1997-09-16
5617751	Key fob and attachment	—	1997-04-08