- First generation (T10; 1957–1960)
- Second generation (T20, T30; 1960–1964)
- Third generation (T40, T50; 1964–1970)
- Fourth generation (T80, T90; 1970–1973)
- Fifth generation (T100, T110, T120; 1973–1979)
- Sixth generation (T130; 1978–1983)
- Seventh generation
- Eighth generation (T170; 1987–1992)
- Ninth generation (T190; 1992–1998)
- Tenth generation
Bulb replacement

Consultant in the area of automotive lighting solutions. Previously working as a lighting sales manager for various light bulb brands, collected intensive expertise for effective vehicle lighting & signaling systems that are compliant with the UN regulatory requirements and standards in the United States and Canada.