1
Maclean Electrical. John Maclean & Sons Electrical July 2010: US 79052449 (6. Metal Goods)

2
Maclean Electrical. John Maclean & Sons Electrical December 2006: SG T0806346D

3
Noskab. John Maclean & Sons ElectricalMurgitroyd & Company January 1998: NO 000029991

4
Maclean Electrical. John Maclean & Sons ElectricalMurgitroyd & Company : WO 960411