- External Root Connection
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- . Invented by Edward Ivari in 1969
- Gradual Grades (IGG/N-S-P)
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- . Invented by Edward Ivari in 1981
- Microcylinder
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- . Invented by Edward Ivari in 1986
- Magnetic Lines
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- $ Invented by Edward Ivari in 2000
- Light Addition
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- . Invented by Edward Ivari in 2007
- White Deduction
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- . Invented by Edward Ivari in 2017
- Invisible Lines
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- $ Invented by Edward Ivari in 2020