1
G-code. Gemstar Development Corporation December 2005: SG T0524999J

2
G-code. Gemstar Development Corporation December 2005: SG T0525000Z

3
Gemstar Ebook. Gemstar Development CorporationFetherstonhaugh & Co September 2003: CA 1065427

4
G-link. Gemstar Development CorporationMaikowski & Ninnemann February 2003: NO 002078319

5
Guide Plus + Gold. Gemstar Development CorporationCassan Maclean May 2002: CA 1026141

6
Vcr Plus + Gold. Gemstar Development CorporationCassan Maclean May 2002: CA 1026142

7
Ad Kernel. Gemstar Development CorporationMaikowski & Ninnemann May 2002: NO 002188704

8
Ebook. Gemstar Development CorporationManitz Finsterwald & Partner Gbr November 2001: NO 001772755


10
Guide Plus+. Gemstar Development CorporationBureau Gevers October 2000: NO 001282383