Douglas L. Cheever

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vapor recovery nozzle
- Patent number 3,996,979
- Issue date Dec 14, 1976
- A. Y. McDonald Mfg. Co.
- Robert H. Barr
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...