Douglas E. Metcalf

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Olathe, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Spreader with removable material transportation mechanism
- Patent number 10,195,976
- Issue date Feb 5, 2019
- Alamo Group Inc.
- Spencer J. Null
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Spreader with removable material transportation mechanism
- Patent number 9,931,971
- Issue date Apr 3, 2018
- Alamo Group Inc.
- Spencer J. Null
- B60 - VEHICLES IN GENERAL