Assignee
AUSTIN RICHARD D
3 granted patents·38 citations·filing 1978–1988
Top patents by PatentIndex Score
3 records- 0163US4174928ADouble acting concrete pumpAUSTIN RICHARD D·Filed 1978·Granted Nov 20, 1979·16 cites·5 claims
- 0244US4634352ACement pump with valve manifold controlAUSTIN RICHARD D·Filed 1985·Granted Jan 6, 1987·12 cites·4 claims
- 0341US4880365ACement pump with removable discharge chamber cartridgeAUSTIN RICHARD D·Filed 1988·Granted Nov 14, 1989·10 cites·4 claims
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