PERFORATING GUN ACCESSORY

Brand	Owner	Address	Description
DS DUMBBELL	DYNAenergetics US, Inc.	Suite 1750 2050 W. Sam Houston Parkway S. Houston TX 77042	perforating gun accessory, namely, conductive weight bar for relaying an electrical signal through a tool string for use in the oil and gas industry, in the nature of electric relays;Machine parts, namely, conductive weight bar used as an accessory for perforating guns for use in the oil and gas industry;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

An accessory attachment apparatus temporarily attaches an accessory to an electrical box with which the accessory is to be used. The accessory attachment apparatus includes an accessory adapted to be received by the electrical box. A stem, which has first and second ends, extends outwardly from the accessory. The first end of the stem is connected to the accessory. A spacer member is connected to the second end of the stem. The spacer member has a groove adapted to receive an edge of a wall of the electrical box to secure the accessory to the electrical box.