Alvin Hu Tong

Person

Poughkeepsie, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Spectrum analyzing system with photodiode array
- Patent number 4,158,505
- Issue date Jun 19, 1979
- International Business Machines Corporation
- Einar S. Mathisen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for textile color analysis
- Patent number 4,033,698
- Issue date Jul 5, 1977
- International Business Machines Corporation
- Herbert M. Demsky
- G01 - MEASURING TESTING
Information Patent Grant
Textile color analyzer calibration
- Patent number 4,029,419
- Issue date Jun 14, 1977
- International Business Machines Corporation
- Paul A. Schumann
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for textile color analysis
- Patent number 3,999,860
- Issue date Dec 28, 1976
- International Business Machines Corporation
- Herbert M. Demsky
- G01 - MEASURING TESTING
Information Patent Grant
Spectrophotometer for dual mode fluorescence analysis
- Patent number 3,999,062
- Issue date Dec 21, 1976
- International Business Machines Corporation
- Herbert M. Demsky
- G02 - OPTICS
Information Patent Grant
Spectrophotometer sample holder
- Patent number 3,986,778
- Issue date Oct 19, 1976
- International Business Machines Corporation
- Einar S. Mathisen
- G01 - MEASURING TESTING
Information Patent Grant
Self-calibratable spectrum analyzer
- Patent number 3,973,849
- Issue date Aug 10, 1976
- International Business Machines Corporation
- Ralph Newton Jackson
- G01 - MEASURING TESTING

Alvin Hu Tong

Person

Patents Grantslast 30 patents

Spectrum analyzing system with photodiode array

Apparatus for textile color analysis

Textile color analyzer calibration

Apparatus for textile color analysis

Spectrophotometer for dual mode fluorescence analysis

Spectrophotometer sample holder

Self-calibratable spectrum analyzer