Cornelis R. Van De Klippe

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West, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Drum plug and seal
- Patent number 6,726,048
- Issue date Apr 27, 2004
- American Flange & Mfg. Co., Inc
- Davis B. Dwinell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Drum plug and seal
- Publication number 20040045965
- Publication date Mar 11, 2004
- Davis B. Dwinell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL