Inventor · disambiguated record
Lester Siebert
Also filed as: SIEBERT LESTER · SIEBERT LESTER D
8 granted patents·385 citations·filing 1988–2009
90Inventor score
Top patents by PatentIndex Score
8 records- 0197US6059457AEvacuable storage bag with integral zipper sealCOMPAC INT INC·Filed 1998·Granted May 9, 2000·201 cites·22 claims
- 0283US5659997ABag for the cultivation of mushroom spawnCOMPAC INT INC·Filed 1995·Granted Aug 26, 1997·53 cites·19 claims
- 0381US8353147B2Apparatus and method for manufacture of a top opening reclosable bag having a tape formed reclosable sealSPREHE GREGORY S·Filed 2009·Granted Jan 15, 2013·10 cites·10 claims
- 0471US4961805AA method for severing and sealing sections of materialCOMPAC INT INC·Filed 1989·Granted Oct 9, 1990·30 cites·6 claims
- 0568US4856989APreheater for heat-sealing system for plastic containersULY PAK INC·Filed 1988·Granted Aug 15, 1989·27 cites·13 claims
- 0667US6098369AApparatus for attaching a reclosable fastener to a flexible materialFiled 1998·Granted Aug 8, 2000·24 cites·14 claims
- 0762US4976811AApparatus for sealing film including sealing head with wedge-shaped lower-portionCOMPAC INT INC·Filed 1988·Granted Dec 11, 1990·23 cites·24 claims
- 0855US5662576AMethod of manufacturing an improved bag for the cultivation of mushroom spawn and apparatus thereforCOMPAC INT INC·Filed 1995·Granted Sep 2, 1997·17 cites·20 claims
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