X Series:
EU Registered Design: 000169859-0001 to 000169859-0005
US Design Patent: D522,706
F Series:
EU Registered Designs 000921341-0001, 000921374-0001, 000921226-0001
Canadian Industrial Design Number: 128161
US Design Patent 29/326,584
Chinese Design 200830024803.5
R Series:
GB Patent Number: GB2513930
European Design No: 002475913-0001 & 002478545-0001
US Patent: US 9,211,898
Q Series:
GB Design Registration: 6090786 & 6090787
GB Patent: 2002580.5
US Patent: US 9,211,898
US Deign Patent: US 29738776
Trademarks:
GB 'S' Logo & Text: UK00003475904
GB 'Stewart Golf': UK00003475906
GB 'The Leader In Follow': UK00003475886
USA 'S' Logo & Text: US 5,902,722
USA 'Stewart Golf': US 5,902,890
USA 'The Leader In Follow': US 902,370,64