Patent ID: 7334298

Claim:
A writing instrument comprising: an elongate body having first and second ends; a writing mechanism projecting from the body first end; and a deformable sleeve having a generally tubular base with a first diameter and defining an inner surface engaging the body near the writing mechanism, a generally tubular outer membrane with a second diameter larger than the first diameter positioned generally concentric with the base, the base and outer membrane defining a cavity therebetween, respective ends of the base and outer membrane engaging to form an annular sealable passageway therebetween, the annular sealable passageway being in fluid communication with the cavity, the respective ends of the base and outer membrane being oriented in the same direction and facing away from the second end of the elongate body thereby forming one end of the deformable sleeve, and a formable material disposed through the annular sealable passageway and into the cavity.