Sinclair, Owen and Co

of Cygnet Works, Browncross Street, Salford, 3, Lancs. Telephone: Manchester, Blackfriars 6407-8. Cables: "Kits, Manchester"
1947 British Industries Fair Advert as Manufacturers of Cases: Fitted, Dressing, Writing, Note, Wallets, Document, Attache, Suit, Blouse, Limp Dress, Vulcanite, Air lite. Trunks: Leather, Fibre, Vulcanite, Plywood. Bags: Travel, Brief, Kit, Cash, Cricket, Sports, Tennis, Golf, Bowl, Rucksacks. High-Grade Luggage and Fine Quality Sports Bags. (Leather Goods Section - Earls Court, 1st Floor, Stands No. 644 and 645) [1]
1965 Patent Application - Luggage. [2]
1966 Patent Application - Case construction. [3]