# Albert J Leitich — Patents explained on PatentBrief

Albert J Leitich has 1 landmark patent explained in plain English on PatentBrief.

- [How Early Cell Phones Handled Calls Across Different Towers](https://patentbrief.org/patent/us/3906166/cellular-mobile-phone-radio-telephone) — granted 1975
  This patent describes a system for early portable phones to automatically find the strongest signal from a base station and switch channels as the user moves, reducing battery drain and interference.

**Full profile:** https://patentbrief.org/inventor/albert-j-leitich

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._