William P. Campbell

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Corona del Mar, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spigot and wrench combination for a beverage dispenser
- Patent number 5,022,560
- Issue date Jun 11, 1991
- William P. Campbell
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Insulated container hinge seal
- Patent number 4,643,327
- Issue date Feb 17, 1987
- William P. Campbell
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL