Robert Lyle Leonard Jr.

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Marion County, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple signal audible oscillation generator
- Patent number 6,310,540
- Issue date Oct 30, 2001
- Yosemite Investiment Inc.
- George A. Burnett
- G08 - SIGNALLING
Information Patent Grant
Piezoelectric transducer having directly mounted electrical compone...
- Patent number 5,872,506
- Issue date Feb 16, 1999
- Yosemite Investment, Inc.
- Daniel W. O'Brien
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Frequency sweeping audio signal device
- Patent number 5,675,311
- Issue date Oct 7, 1997
- Yosemite Investment, Inc.
- George Alan Burnett
- G08 - SIGNALLING