CREST INDUSTRIES

SCREWS AND CLIPS FOR INSTALLING PREWIRED BRACKETS FOR TELEPHONE WALL OUTLETS

HAND-OPERATED RIVET TOOLS FOR INSTALLING PRE-WIRED BRACKETS FOR TELEPHONE WALL OUTLETS

TELECOMMUNICATIONS STATION EQUIPMENT-NAMELY, MINIATURE TRANSFER KEYS; PRE-WIRED BRACKETS FOR TELEPHONE WALL OUTLETS; WALL OUTLET COVERS; WALL OUTLET COVERS HAVING COMBINED ESCUTCHEON PLATE AND ELECTRICAL JACK CONNECTOR, ELECTRONIC UNITS FOR CONVERTING SINGLE-LINE TELEPHONE STATION SETS INTO KEY-OPERATED, MULTIPLE-LINE TELEPHONE STATION SETS; VOLTAGE MONITORS FOR POWER SUPPLIES USED IN KEY TELEPHONE SYSTEMS; AND TELEPHONE FLOOR OUTLETS