SW

Stephen Charles Witkus

TC The Gillette Company: 20 patents #52 of 1,479Top 4%
GC Gillett Canada: 2 patents #53 of 127Top 45%
📍 Northbridge, MA: #4 of 113 inventorsTop 4%
🗺 Massachusetts: #4,915 of 88,656 inventorsTop 6%
Overall (All Time): #193,902 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11285630 Handle for a razor Hong Lu, Alexander Stephen Forti, Huibin Gong 2022-03-29
11150177 Apparatus for testing a coefficient of friction and methods for same Hong Lu, Marilyn Jeanne Westgate, Janelle Marie Parechanian 2021-10-19
11130247 Handle for a razor Hong Lu, Alexander Stephen Forti, Huibin Gong 2021-09-28
10940598 Handle for a razor Hong Lu, Alexander Stephen Forti, Huibin Gong 2021-03-09
10837894 Apparatus for testing a coefficient of friction and methods for same Hong Lu, Marilyn Jeanne Westgate, Janelle Marie Parechanian 2020-11-17
D881468 Razor handle Philipp Goeder, Christoph Ptok, Christopher Ramm, Jan Wertel, Gernot Oberfell 2020-04-14
D864482 Razor handle Philipp Goeder, Christoph Ptok, Christopher Ramm, Jan Wertel, Gernot Oberfell 2019-10-22
10414058 Handle for a razor Hong Lu, Alexander Stephen Forti, Huibin Gong 2019-09-17
10363674 Razor cartridge guard structure Neil Lettenberger, Armando Miguel Hurtado 2019-07-30
10226874 Handle for a razor Hong Lu, Alexander Stephen Forti, Huibin Gong 2019-03-12
D837452 Razor handle grip Philipp Goeder, Christoph Ptok, Christopher Ramm, Jan Wertel, Gernot Oberfell 2019-01-01
9802328 Razor cartridge guard structure Neil Lettenberger, Armando Miguel Hurtado 2017-10-31
D741546 Razor cartridge Neil Lettenberger, Armando Miguel Hurtado 2015-10-20
D741013 Razor cartridge Neil Lettenberger, Armando Miguel Hurtado 2015-10-13
D741012 Razor guard Neil Lettenberger, Armando Miguel Hurtado 2015-10-13
8448339 Shaving cartridge with supressed blade geometry Vincent Paul Walker, Jr. 2013-05-28
8413334 Shaving cartridge guard for supporting skin Vincent Paul Walker, Jr. 2013-04-09
8156600 Gum massaging oral brush Michael F. Roberts, Thomas Craig Masterman, Edward Park, Scott Batson, Philip Sweeney +1 more 2012-04-17
D633254 Razor cartridge 2011-02-22
D630797 Razor cartridge 2011-01-11
6151745 Gum-massaging oral brush Michael F. Roberts, T. Craig Masterman, Edward Park, Philip Sweeney, Mingchih M. Tseng 2000-11-28
5987688 Gum-massaging oral brush Michael F. Roberts, T. Craig Masterman, Edward Park, Philip Sweeney, Mingchih M. Tseng 1999-11-23