Paul B. Williams

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Lombard, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Analog-to-digital converter having programmable dynamic range
- Patent number 4,644,323
- Issue date Feb 17, 1987
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter indexing for spectrophotometer system
- Patent number 4,342,516
- Issue date Aug 3, 1982
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- G01 - MEASURING TESTING
Information Patent Grant
Spectrophotometer system having power line synchronization
- Patent number 4,332,470
- Issue date Jun 1, 1982
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- G01 - MEASURING TESTING
Information Patent Grant
Spectrophotometer improvement of improved automatic wavelength inde...
- Patent number 4,329,051
- Issue date May 11, 1982
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- G01 - MEASURING TESTING
Information Patent Grant
Safe memory system for a spectrophotometer
- Patent number 4,322,807
- Issue date Mar 30, 1982
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- G01 - MEASURING TESTING
Information Patent Grant
Manual wavelength adjustment for a microprocessor based spectrophot...
- Patent number 4,318,616
- Issue date Mar 9, 1982
- The Perkin-Elmer Corporation
- Morteza M. Chamran
- G01 - MEASURING TESTING