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Dennis W. Ehlers
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Green Bay, WI, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatus and method for doctor blade replacement in a flexographic...
Patent number
5,406,887
Issue date
Apr 18, 1995
Paper Converting Machine Company
James E. Hertel
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Apparatus and method for separation and delivery of continuous forms
Patent number
4,718,654
Issue date
Jan 12, 1988
Paper Converting Machine Company
Dennis W. Ehlers
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for transverse sealing layers of elongated thermoplastic...
Patent number
4,585,508
Issue date
Apr 29, 1986
Paper Converting Machine Co.
Dennis W. Ehlers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing business forms
Patent number
4,384,522
Issue date
May 24, 1983
Paper Converting Machine Company
Dennis W. Ehlers
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER