Robert B. Leach

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New Britain, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Piezoresistive elevator button
- Patent number 5,040,640
- Issue date Aug 20, 1991
- Otis Elevator Company
- Chester J. Slabinski
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Capacitive sensing, solid state touch button system
- Patent number 5,036,321
- Issue date Jul 30, 1991
- Otis Elevator Company
- Robert B. Leach
- H03 - BASIC ELECTRONIC CIRCUITRY