David G. Field

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Dover, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Fold-off guiding method and device for a folding apparatus
- Patent number 5,807,227
- Issue date Sep 15, 1998
- Heidelberg Harris Inc.
- David George Field
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ink fountain closure system
- Patent number 4,854,234
- Issue date Aug 8, 1989
- Harris Graphics Corporation
- David C. Emery
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS