NELSON AND JOHNSON ENGINEERING, INC

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BOULDER, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Material compactor utilizing a power transmission mechanism
- Patent number 4,436,030
- Issue date Mar 13, 1984
- Nelson & Johnson Engineering
- John A. Ciciora
- B30 - PRESSES
Information Patent Grant
Manual compactor
- Patent number 4,176,597
- Issue date Dec 4, 1979
- Nelson & Johnson Engineering
- Grant E. Stevenson
- B30 - PRESSES

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