Historical clue formulations

• Like hospital patients and much lumber — 2014-05-31
• Dealt with, as an injury — 2009-09-14
• Picked up the check — 2005-01-30
• Like stainproof fabric — 2000-03-12
• Took out to dinner — 1998-11-09
• Picked up the dinner tab — 1995-03-21
• Doctored — 1994-06-18