Inventor · disambiguated record
Heinrich Sauerwein
Also filed as: SAUERWEIN HEINRICH
4 granted patents·101 citations·filing 1993–1993
79Inventor score
Files withAHLMANN ACO SEVERIN4
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4 records- 0169US5462382ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Oct 31, 1995·33 cites·17 claims
- 0260US5466091ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 14, 1995·28 cites·29 claims
- 0357US5437516ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Aug 1, 1995·27 cites·11 claims
- 0441US5468096AMeans for securing a cover over a drainage channelAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 21, 1995·13 cites·16 claims
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