Roland T. Gerhart

Follow

Person

Milford Township, Oakland County, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fireplace unit
- Patent number 4,475,531
- Issue date Oct 9, 1984
- IEM Ltd.
- Roland T. Gerhart
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fan unit
- Patent number 4,460,312
- Issue date Jul 17, 1984
- IEM Ltd.
- Roland T. Gerhart
- F24 - HEATING RANGES VENTILATING