Joel C. Hern

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Rollinsford, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for presetting a cut-off register in a folder of a web-fed p...
- Patent number 5,546,859
- Issue date Aug 20, 1996
- Heidelberg Harris GmbH
- Joel C. Hern
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Device for presetting a cut-off register in a folder of a web-fed p...
- Patent number 5,415,092
- Issue date May 16, 1995
- Heidelberg Harris GmbH
- Joel C. Hern
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Device for presetting a cut-off register in a folder of a web-fed p...
- Patent number 5,289,770
- Issue date Mar 1, 1994
- Heidelberg Harris GmbH
- Joel C. Hern
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System for moving a plate cylinder relative to a blanket cylinder
- Patent number 5,159,878
- Issue date Nov 3, 1992
- Heidelberg Harris, Inc.
- Michael E. Donelan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS