1.   Chalk or a permanent ink pen marks leak points.

2.   Cogdell then used an ink pen to mark his neck where the finger marks might have been.

3.   He had quietly used an ink pen to draw a beard and long sideburns on his cheeks.

4.   Inmates under death sentence are also allowed water-based ink pens and sketch pads for drawing.

5.   She tracks tropical storms on a newspape map under the coffee table, marking their movements with a blue ink pen.

6.   The Cat, who been seated behind a pile of papers, grabbed an ink pen and snapped it in half.

7.   But doctors and soldiers may need to write on the Sabbath and using a disappearing ink pen would make their transgression less grave, he argues.