branch SENNHEISER ELECTRONIC CORPORATION (New Mexico (US)) | details | |
branch SENNHEISER ELECTRONIC CORPORATION (Virginia (US)) | details | |
branch SENNHEISER ELECTRONIC CORPORATION (Alabama (US)) | details | |
branch SENNHEISER ELECTRONIC CORPORATION (Illinois (US)) | details | |
branch Sennheiser Electronic Corporation (North Carolina (US)) | details |
Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
---|---|---|---|---|---|---|---|
NOISEGARD | United States Patent and Trademark Office | 9 | 1998-03-10 | details | |||
NOISEGARD | United States Patent and Trademark Office | 9 | 1997-09-02 | details | |||
OPEN-AIRE | United States Patent and Trademark Office | 9 | 1973-12-11 | details | |||
SENNHEISER | United States Patent and Trademark Office | 9, 1, 9, 10 | 1966-08-16 | details | |||
PUT ON BEFORE FLIGHT | United States Patent and Trademark Office | 9 | 2011-06-14 | 2018-01-19 | historic | details |