Lehman; Donald L.

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  • Hagerstown, MD, US

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  • Information Patent Grant

    Disposable litter boxes

    • Patent number 4,791,883
    • Issue date Dec 20, 1988
    • Lehman; Donald L.
    • Donald L. Lehman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

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