TC

Thomas A. Christman

TC The Gillette Company: 11 patents #128 of 1,479Top 9%
TB The Braun: 6 patents #169 of 867Top 20%
GC Gillett Canada: 1 patents #77 of 127Top 65%
📍 Lexington, MA: #278 of 2,299 inventorsTop 15%
🗺 Massachusetts: #6,037 of 88,656 inventorsTop 7%
Overall (All Time): #240,045 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
9220335 Toothbrush head Phillip M. Braun, William Brown, Thomas Craig Masterman, Karen Lynn Claire-Zimmet, Ronald Richard Duff, JR. 2015-12-29
9204949 Toothbrushes Alexander Chenvainu 2015-12-08
8744192 Personal hygiene device using real-time object recognition and end-user feedback Marc Philip Ortins, George Henry Leal 2014-06-03
8695149 Toothbrushes Phillip M. Braun, William Brown, Alexander Chenvainu 2014-04-15
8621698 Toothbrushes Alexander Chenvainu 2014-01-07
8528148 Toothbrush head William Brown, Phillip M. Braun, Thomas Craig Masterman, Karen Lynn Claire-Zimmet, Ronald Richard Duff, JR. 2013-09-10
8444416 Valves for personal care devices Alexander Chenvainu, Manfred Klawuhn 2013-05-21
8317424 Oral care device Alexander Chenvainu, Jeremy Ducharme, Mark Edward Farrell 2012-11-27
8166601 Electric toothbrush head William Brown, Georges Driesen, Thomas Fritsch, Michael Roberts, Armin Schwarz-Hartmann 2012-05-01
7958589 Toothbrushes Phillip M. Braun, William Brown, Alexander Chenvainu 2011-06-14
7941886 Toothbrushes Alexander Chenvainu 2011-05-17
7934284 Toothbrushes Phillip M. Braun, William Brown, Alexander Chenvainu 2011-05-03
D612611 Head of a toothbrush William Brown, Alexander Chenvainu 2010-03-30
D526487 Head and neck unit of a toothbrush Alexander Chenvainu, Duy Phong Vu, Roland Ullmann 2006-08-15
6852262 Insert molding razor cartridges William Brown, William C. Carson, III, Alexander Chenvainu, Kenneth E. Johnson, Charles P. Kiricoples +3 more 2005-02-08
D501605 Toothbrush head William Brown, Alexander Chenvainu 2005-02-08
6839968 Shaving systems William Brown, William C. Carson, III, Alexander Chenvainu, Kenneth E. Johnson, Charles P. Kiricoples +3 more 2005-01-11
6826797 Oral devices Alexander Chenvainu, Amit Birla 2004-12-07
5953825 Safety razors Christopher Martin Hawes 1999-09-21