John A. Ayer

Person

  • Lynnfield, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fiber length analyzer

    • Patent number 5,293,219
    • Issue date Mar 8, 1994
    • Andritz Sprout-Bauer, Inc.
    • John A. Ayer
    • G01 - MEASURING TESTING