WC

William Chang

ME Medtronic: 2 patents #3,096 of 6,325Top 50%
DE Digital Equipment: 1 patents #1,005 of 2,100Top 50%
Overall (All Time): #683,644 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12329916 Catheter handle with torque mechanism and valve relief component Brian Castelli, Ashley SPINK, William A. Berthiaume, Victoria UNG, James J. Mitchell 2025-06-17
11446470 Catheter handle with torque mechanism and valve relief component Brian Castelli, Ashley SPINK, William A. Berthiaume, Victoria UNG, James J. Mitchell 2022-09-20
6485076 Versatile attachment for a shovel 2002-11-26
6416207 Floor lamp with a plurality of adjustable light-source carrying arms 2002-07-09
6276645 Adjustable garbage bag holder 2001-08-21
5857364 Two-way lock mechanism with cam action Peter Hsu, TB Tsai 1999-01-12
5695229 Interchangable shovel/scraper 1997-12-09