Historical clue formulations

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