William D. Hachfeld

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Apple Valley, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Progressive lossless compression of image data
- Patent number 11,089,338
- Issue date Aug 10, 2021
- Vital Images, Inc.
- William D. Hachfeld
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Progressive lossless compression of image data
- Patent number 10,462,495
- Issue date Oct 29, 2019
- Vital Images, Inc.
- William D. Hachfeld
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROGRESSIVE LOSSLESS COMPRESSION OF IMAGE DATA
- Publication number 20200029099
- Publication date Jan 23, 2020
- Vital Images, Inc,
- William D. Hachfeld
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROGRESSIVE LOSSLESS COMPRESSION OF IMAGE DATA
- Publication number 20190052913
- Publication date Feb 14, 2019
- Vital Images, Inc.
- William D. Hachfeld
- H04 - ELECTRIC COMMUNICATION TECHNIQUE