John P. Graham

Follow

Person

Elyria, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Burner controller cover
- Patent number D573248
- Issue date Jul 15, 2008
- R.W. Beckett Corporation
- Howard Scott Ryan
- D23 - Environmental heating and cooling
Information Patent Grant
Igniter cover
- Patent number D540938
- Issue date Apr 17, 2007
- R.W. Beckett Corporation
- John P. Graham
- D23 - Environmental heating and cooling