PS

Philip Sweeney

GC Gillett Canada: 4 patents #28 of 127Top 25%
TC The Gillette Company: 4 patents #396 of 1,479Top 30%
BE Berol: 1 patents #48 of 90Top 55%
JP J&P Products: 1 patents #2 of 4Top 50%
📍 Maryland Heights, MO: #32 of 213 inventorsTop 20%
🗺 Missouri: #2,066 of 23,789 inventorsTop 9%
Overall (All Time): #481,298 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12284951 Automatic timed watering planter James A. Keefe 2025-04-29
8156600 Gum massaging oral brush Michael F. Roberts, Thomas Craig Masterman, Edward Park, Scott Batson, Mingchih M. Tseng +1 more 2012-04-17
6368000 Writing instrument and method of making same Edward Park, William R. Brown, Jean L. Spencer, John M. Fritz 2002-04-09
6182365 Skin engaging member for razor blade assembly Mingchih M. Tseng, Alfred Porcaro, Domenic Vincent Apprille, Jr. 2001-02-06
6151745 Gum-massaging oral brush Michael F. Roberts, T. Craig Masterman, Edward Park, Mingchih M. Tseng, Stephen Charles Witkus 2000-11-28
6039054 Dental floss Edward Park 2000-03-21
5987688 Gum-massaging oral brush Michael F. Roberts, T. Craig Masterman, Edward Park, Mingchih M. Tseng, Stephen Charles Witkus 1999-11-23
5915791 Shaving system with improved guard structure Yuling Yin, Alfred Porcaro, Mingchih M. Tseng 1999-06-29
5711076 Shaving system with improved guard structure Yuling Yin, Alfred Porcaro, Mingchih M. Tseng 1998-01-27
5313909 Brush filaments Mingchih M. Tseng 1994-05-24