Charles M. Blackburn

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Davidsonville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Web processing mechanism for forming packages
- Patent number 4,265,074
- Issue date May 5, 1981
- Sigma Systems, Inc.
- Daniel L. Reuter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Packaging system with cantilevered web feed system accessible for c...
- Patent number 4,262,470
- Issue date Apr 21, 1981
- Sigma Systems, Inc.
- Daniel L. Reuter
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Web feeding system for package forming machine
- Patent number 4,262,474
- Issue date Apr 21, 1981
- Sigma Systems, Inc.
- Daniel L. Reuter
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL