D. Redwood Stephens

Person

  • Seattle, WA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable fluid filtration device

    • Publication number 20100170834
    • Publication date Jul 8, 2010
    • Cascade Designs, Inc.
    • D. Redwood Stephens
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL