Historical clue formulations

• Roving floor cleaner — 2025-11-04
• Chore-doing robot brand — 2025-01-29
• It charges for cleaning — 2023-04-01
• House floor manager? — 2023-03-19
• Autonomous household helper since 2002 — 2022-10-26
• iRobot product — 2021-04-08
• *Autonomous cleaner — 2020-10-20
• It charges to do some cleaning — 2019-08-18
• Round floor cleaner — 2017-11-30
• Automated floor cleaner — 2017-02-01
• iRobot vacuum — 2016-03-27
• Disc-shaped vacuum cleaner from iRobot — 2012-03-27