4. In 1979, Gary and Glenda Lane started up a car window tinting business in New South Wales under the name Solartint (Sun Control) Industries. In 1981 they incorporated Lane Industries Pty Ltd (Lane Industries) which has carried on the business since that time. By 1989 the business had seven branches in and around the Sydney metropolitan area at Ashfield, Auburn, Bondi Junction, Liverpool, West Ryde and Seven Hills. It evidently also has an agency in Albany in Western Australia which uses the word Solartint. That name has been displayed on the company's business documentation and advertised through newspapers, magazines, radio, television and at motor shows. It is advertised in the Yellow Page Directories published in Sydney, Melbourne and Brisbane. In the year ended 30 June 1991, the business sold window tinting film to the value of $1,713,277 and expended $55,098 on advertising. The advertising extended to the Gold Coast, Brisbane, Cairns, Perth, Melbourne and Geelong. Since 1987 Lane Industries has made agency or licensing arrangements for the use of the name Solartint and has franchise outlets at Gosford, Tweed Heads and Newcastle. In June 1989, the company registered two trade marks as service marks. Registered trade mark A390995 which is in Part A of the Trade Marks Register comprises the word "SOLARTINT" in respect of the application of sun control products to glass being services in Class 37 of Schedule 4 to the Trade Marks Register. Registered trade mark A390996, also in Part A of the Trade Marks Register, comprises the word "SOLARTINT" with a motor vehicle logo in respect of the same services.