William Walden

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Fair Oaks, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
DESICCANT AIR PURIFICATION DEVICE
- Publication number 20220307708
- Publication date Sep 29, 2022
- Vektra Systems LLC
- Chang Yul Cha
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MICROWAVE ENHANCED AIR DISINFECTION SYSTEM
- Publication number 20220152540
- Publication date May 19, 2022
- Vektra Systems LLC
- Chang Yul Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CONTROL OF A MICROWAVE ENHANCED AIR DISINFECTION SYSTEM
- Publication number 20220152264
- Publication date May 19, 2022
- Vektra Systems LLC
- Chang Yul Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE