VCHIP
| Date | Clue |
|---|---|
| 2019-06-04 | TV programming filter |
| 2018-02-04 | TV blocking device |
| 2017-08-22 | TV blocking device |
| 2013-12-13 | Blocker working with a receiver |
| 2012-12-21 | Program blocker |
| 2011-03-16 | Modern screening device |
| 2010-10-13 | TV blocking device |
| 2007-02-04 | *Show stopper? |
| 2006-08-18 | Screening device |
| 2004-05-28 | TV monitor? |
| 2003-11-11 | TV screening device |
| 2003-10-18 | Program blocker |
| 2003-10-15 | TV monitor, of sorts |
| 2001-01-19 | Screening device |
| 2000-11-23 | TV monitor of sorts |