怎样才能找到商标注册登记的变更记录?

1. 登入到 USPTO Trademark Electronic Search System (TESS)
2. Select "Trademark Search" from the left-hand menu.
3. Enter the trademark name or number.
4. Click on "Search."
5. Click on the "History" tab.
6. Select the desired period of time.
7. Click on "Submit."

Additional Tips:

• You can also search for trademark registrations in other countries through the USPTO website.
• You can use the USPTO's Trademark Electronic Search System (TESS) to track the status of trademark applications and registrations.
• You can contact the USPTO's Trademark Office for more information.