Who invented backhoe?

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Tags

1. #first
2. #department
3. #invented
4. #frank
5. #patents
6. #backhoe
7. #1940s
8. #mounted
9. #hydraulic
10. #hough
11. #loader
12. #tractor
13. #model
14. #under
15. #massachusetts
16. #holden
17. #wheel
18. #water