Peter F. Welch

Person

Toronto, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D471161
- Issue date Mar 4, 2003
- American Standard International Inc.
- Randy S. Amborn
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D470114
- Issue date Feb 11, 2003
- American Standard International Inc.
- Randy S. Amborn
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Tool handle
- Patent number D468616
- Issue date Jan 14, 2003
- Keanall Industries Inc.
- Peter F. S. Welch
- D08 - Tools and hardware
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D460922
- Issue date Jul 30, 2002
- American Standard International Inc.
- Randy S. Amborn
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D460699
- Issue date Jul 23, 2002
- American Standard International Inc.
- Randy S. Amborn
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D458159
- Issue date Jun 4, 2002
- American Standard International Inc.
- Randy S. Amborn
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D457820
- Issue date May 28, 2002
- American Standard International Inc.
- Randy S. Amborn
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Heating, ventilating and air conditioning system controller
- Patent number D457821
- Issue date May 28, 2002
- American Standard International Inc.
- Randy S. Amborn
- D10 - Measuring, testing, or signalling instruments

Peter F. Welch

Person

Patents Grantslast 30 patents

Heating, ventilating and air conditioning system controller

Heating, ventilating and air conditioning system controller

Tool handle

Heating, ventilating and air conditioning system controller

Heating, ventilating and air conditioning system controller

Heating, ventilating and air conditioning system controller

Heating, ventilating and air conditioning system controller

Heating, ventilating and air conditioning system controller