What kind of Punny Business is this?!?

English Sign in German Cafe: "Mothers, Please Wash Your Hans Before Eating.".
On a Scientist's door: "Gone Fission".
On a Taxidermist's window: "We really know our stuff.".
Outside a Hotel: "Help! We need inn-experienced people.".
At an Auto Body Shop: "May we have the next dents?".
At a Music Store: "Out to lunch. Bach at 12:30. Offenbach sooner.".
On a Music Teacher's door: "Out Chopin.".
v On the door of a Music Library: "Bach in a min-u-et.".
At a farmer's field: "The farmer allows walkers to cross the field for free, but the bull charges.".
In a Podiatrist's window: "Time wounds all heels.".
On a Butcher's window: "Let me meat your needs.".
. On another Butcher's window: "Pleased to meat you.".
At a Used Car Lot: "Second Hand cars in first crash condition.".
Outside a Radiator Repair Shop: "Best place in town to take a leak.".
At the Electric Company: "We would be delighted if you send in your bill. However, if you don't, you will be.".
In a Beauty Shop: "Dye now!".
On the door of a Computer Store: "Out for a quick byte.".
Outside a Radiator Repair Shop: "Best place in town to take a leak.".
In a Dry Cleaner's Emporium: "Drop your pants here.".
In a Restaurant window: "Don't stand there and be hungry, come in and get fed up..
Originally published November 14, 2002.