HC

Hau H. Chang

📍 Bakersfield, CA: #102 of 840 inventorsTop 15%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,043,830 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6368317 Urethral catheter and urinary drainage bag adaptor for prevention of nosocomial urinary tract infection 2002-04-09
5713889 Urethral stump carrier for radical retropubic prostatectomy 1998-02-03
5593389 Urethral catheter holder with anchoring device 1997-01-14
5383866 Occlusion ureteral catheter for retrograde pyelography 1995-01-24
5368575 Urethral catheter holder 1994-11-29