David L. Lessner

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular motorized polarizers for a spectrofluorometer
- Patent number 4,239,391
- Issue date Dec 16, 1980
- Baxter Travenol Laboratories, Inc.
- David L. Lessner
- G02 - OPTICS
Information Patent Grant
Method and means for aligning focusing mirrors in an optical spectr...
- Patent number 4,120,586
- Issue date Oct 17, 1978
- Baxter Travenol Laboratories, Inc.
- David L. Lessner
- G02 - OPTICS
Information Patent Grant
Component for a spectrophotofluorometer
- Patent number D247227
- Issue date Feb 14, 1978
- Baxter Travenol Laboratories, Inc.
- James G. Bruni
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Spectrophotofluorometer
- Patent number D247226
- Issue date Feb 14, 1978
- Baxter Travenol Laboratories, Inc.
- James G. Bruni
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Integrally focused low ozone illuminator
- Patent number 4,054,812
- Issue date Oct 18, 1977
- Baxter Travenol Laboratories, Inc.
- David L. Lessner
- G01 - MEASURING TESTING
Information Patent Grant
Constant temperature, multiple sample, rotary changer
- Patent number 4,047,820
- Issue date Sep 13, 1977
- Baxter Travenol Laboratories, Inc.
- Charles Soodak
- G01 - MEASURING TESTING