Trademark Search & Tracking

Free access to the complete USPTO trademark database with advanced search and tracking capabilities.

Trademark Search

Enter at least 3 characters to search
Show trademark images

Search Results

228 Records Found
Serial Number Trademark Classes Legal Status Rights Holder Filing Date Actions
72315505
SIGMA 104
710 SIGMA-ALDRICH CO. 12/31/1968 Details
73152294
ATROXIN
900 SIGMA-ALDRICH CO. 12/16/1977 Details
73152424
DALTON MARK VI
900 SIGMA-ALDRICH CO. 12/19/1977 Details
74035779
LIN-TROL
710 SIGMA-ALDRICH CO. 03/07/1990 Details
74100277
SIGMACLEAN
710 SIGMA-ALDRICH CO. 09/26/1990 Details
74197803
SIGMA BLEND
710 SIGMA-ALDRICH CO. 08/26/1991 Details
75347237
RUNWAY ROUTER
009
602 Sigma-Aldrich Co. 08/26/1997 Details
75391768
EQUITY
710 Sigma-Aldrich Co. 11/17/1997 Details
75460615
PIPE LINE
710 Sigma-Aldrich Co. 04/01/1998 Details
75468809
PIPE LINE
710 Sigma-Aldrich Co. 04/16/1998 Details