Inventor · disambiguated record

Jan Witt

Also filed as: WITT JAN

2 granted patents·40 citations·filing 1993–1993

63Inventor score

Technology areasE02D E03F

Files withAHLMANN ACO SEVERIN2

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2 records

0157US5437516ASurface drainage apparatusAHLMANN ACO SEVERIN·Filed 1993·Granted Aug 1, 1995·27 cites·11 claims
0241US5468096AMeans for securing a cover over a drainage channelAHLMANN ACO SEVERIN·Filed 1993·Granted Nov 21, 1995·13 cites·16 claims

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Jan Witt — Patent Inventor | PatentIndex