Edward A. Pfeiffer Jr.

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Warminster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous seal vehicular exhaust distribution system for building
- Patent number 5,655,962
- Issue date Aug 12, 1997
- Exhaust Track, Inc.
- Edward A. Pfeiffer
- B08 - CLEANING
Information Patent Grant
Vehicle exhaust distribution system for buildings
- Patent number 5,362,273
- Issue date Nov 8, 1994
- Exhaust Track, Inc.
- Edward A. Pfeiffer
- B08 - CLEANING
Information Patent Grant
Exhaust distribution system
- Patent number 5,092,228
- Issue date Mar 3, 1992
- Edward A. Pfeiffer
- B08 - CLEANING