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Lester D. Siebert
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Carbondale, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for manufacture of a top opening reclosable ba...
Patent number
8,353,147
Issue date
Jan 15, 2013
Gregory S. Sprehe
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for attaching a reclosable fastener to a flexible material
Patent number
6,098,369
Issue date
Aug 8, 2000
William A. Bodolay
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Evacuable storage bag with integral zipper seal
Patent number
6,059,457
Issue date
May 9, 2000
Com-Pac International, Inc.
Gregory S. Sprehe
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of manufacturing an improved bag for the cultivation of mush...
Patent number
5,662,576
Issue date
Sep 2, 1997
Compac International, Inc.
Gregory S. Sprehe
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Bag for the cultivation of mushroom spawn
Patent number
5,659,997
Issue date
Aug 26, 1997
Compac International, Inc.
Gregory S. Sprehe
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Apparatus for sealing film including sealing head with wedge-shaped...
Patent number
4,976,811
Issue date
Dec 11, 1990
Com-Pac International, Inc.
Lester D. Siebert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
A method for severing and sealing sections of material
Patent number
4,961,805
Issue date
Oct 9, 1990
Com-Pac International, Inc.
Lester D. Siebert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Preheater for heat-sealing system for plastic containers
Patent number
4,856,989
Issue date
Aug 15, 1989
Uly-Pak, Inc.
Lester D. Siebert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND METHOD FOR MANUFACTURE OF A TOP OPENING RECLOSABLE BA...
Publication number
20100061666
Publication date
Mar 11, 2010
Gregory S. Sprehe
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL