Donald E. Waldecker

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Falls Church, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Funnel having a primary vent and an auxiliary vent/siphon
- Patent number 4,494,585
- Issue date Jan 22, 1985
- Donald E. Waldecker
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Centrifugal, magnetic and screening separator
- Patent number 4,462,907
- Issue date Jul 31, 1984
- Donald E. Waldecker
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING