Trademark Search & Tracking
Free access to the complete USPTO trademark database with advanced search and tracking capabilities.
Trademark Search
Search Results
44 Records Found
| Serial Number | Trademark | Classes | Legal Status | Rights Holder | Filing Date | Actions |
|---|---|---|---|---|---|---|
| 71574389 |
SHU-GLO
|
—
|
900 | SIGMA CHEMICAL COMPANY | 02/23/1949 | Details |
| 72145859 |
—
|
710 | Sigma Chemical Company | 05/31/1962 | Details | |
| 72158863 |
CILLIGEN
|
—
|
710 | SIGMA CHEMICAL COMPANY | 12/10/1962 | Details |
| 72249805 |
SIGMACELL
|
—
|
900 | SIGMA CHEMICAL COMPANY | 07/07/1966 | Details |
| 72269358 |
GAL-PAC
|
—
|
900 | SIGMA CHEMICAL COMPANY | 04/17/1967 | Details |
| 72306813 |
SIGMA
|
—
|
900 | SIGMA CHEMICAL COMPANY | 09/06/1968 | Details |
| 72392811 |
SIGMACOTE
|
—
|
900 | SIGMA CHEMICAL COMPANY | 05/21/1971 | Details |
| 73005642 |
PLASMA CEF
|
—
|
900 | SIGMA CHEMICAL COMPANY | 11/05/1973 | Details |
| 73018001 |
POLYPEP
|
—
|
900 | SIGMA CHEMICAL COMPANY | 04/05/1974 | Details |
| 73048469 |
GLUCURASE
|
—
|
900 | SIGMA CHEMICAL COMPANY | 04/03/1975 | Details |