William K. Stelzenmuller

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Poughkeepsie, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of spatially thresholding a discrete color image
- Patent number 4,673,977
- Issue date Jun 16, 1987
- International Business Machines Corporation
- William K. Stelzenmuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for reducing line width variations in bilevel video images
- Patent number 4,517,604
- Issue date May 14, 1985
- International Business Machines Corporation
- Dana A. Lasher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Enhancement of video images by selective introduction of gray-scale...
- Patent number 4,486,785
- Issue date Dec 4, 1984
- International Business Machines Corporation
- Dana A. Lasher
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multiplex data communications using acoustical surface wave filters
- Patent number 3,985,968
- Issue date Oct 12, 1976
- International Business Machines Corporation
- William K. Stelzenmuller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Serial pulse-code-modulated retiming system
- Patent number 3,986,126
- Issue date Oct 12, 1976
- International Business Machines Corporation
- Abraham M. Gindi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE