TREA

Leon N. Ducharme

Follow

Person

  • Holyoke, MA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricant retaining chain
    • Patent number 5,943,855
    • Issue date Aug 31, 1999
    • Tsubakimoto Chain Co.
    • Masaru Morimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Large bearing area roller chain
    • Patent number 5,382,199
    • Issue date Jan 17, 1995
    • U.S. Tsubaki, Inc.
    • Leon N. Ducharme
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL