Hugh D. McGillis

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Brockton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Supplemental heating system
- Patent number 4,293,094
- Issue date Oct 6, 1981
- McGillis; Hugh D.
- Hugh D. McGillis
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Safety shutoff valve
- Patent number 3,963,041
- Issue date Jun 15, 1976
- McGillis Engineering, Inc.
- Hugh D. McGillis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...