Douglas Frank Shepherd

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El Cajon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for generating process gases
- Patent number 11,154,792
- Issue date Oct 26, 2021
- RASIRC, Inc.
- Jeffrey Spiegelman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for adjusting the response characteristic of an electronic g...
- Patent number 6,203,432
- Issue date Mar 20, 2001
- Madcatz, Inc.
- Thomas John Roberts
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS FOR GENERATING PROCESS GASES
- Publication number 20180229149
- Publication date Aug 16, 2018
- RASIRC, Inc.
- Jeffrey Spiegelman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE