| 2020-07-02 | Corp. logos, e.g. |
| 2019-10-26 | Symbols next to logos: Abbr. |
| 2018-10-18 | Symbols in superscript, for short |
| 2017-10-09 | Things with ® symbols: Abbr. |
| 2016-09-20 | Designs with ® symbols: Abbr. |
| 2014-10-19 | Pat. off. concerns |
| 2014-08-20 | Things Coke and Pepsi have: Abbr. |
| 2014-07-17 | Some intellectual property, for short |
| 2014-01-09 | ___-square |
| 2013-09-07 | Protection from pirates: Abbr. |
| 2013-07-01 | Regd. names |
| 2012-10-25 | Logos, e.g.: Abbr. |
| 2011-10-23 | Protected images, for short |
| 2011-06-30 | They often accompany logos: Abbr. |
| 2011-06-05 | Co. ID's |
| 2010-06-20 | Corp. logos, e.g. |
| 2008-11-15 | Corp. identifiers |
| 2008-11-02 | Some intellectual property: Abbr. |
| 2007-09-21 | Logos and the like: Abbr. |
| 2004-06-04 | Logos and such: Abbr. |