Ralph G. Doerfling

Person

Walled Lake, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming contoured fiberglass sheet
- Patent number 4,385,955
- Issue date May 31, 1983
- Detroit Gasket
- Ralph G. Doerfling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of forming a foam resin core structure having a smooth compo...
- Patent number 4,379,103
- Issue date Apr 5, 1983
- Detroit Gasket & Manufacturing Co.
- Ralph G. Doerfling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of forming reinforced foam structure
- Patent number 4,372,900
- Issue date Feb 8, 1983
- Detroit Gasket & Mfg. Co.
- Ralph G. Doerfling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Foam laminates and headliners
- Patent number 4,150,850
- Issue date Apr 24, 1979
- Detroit Gasket and Manufacturing Company
- Ralph G. Doerfling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Composite carpet and foam laminate and method
- Patent number 4,096,303
- Issue date Jun 20, 1978
- Detroit Gasket & Manufacturing Company
- Ralph G. Doerfling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of forming foam laminates and headliners
- Patent number 4,077,821
- Issue date Mar 7, 1978
- Detroit Gasket Company
- Ralph G. Doerfling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Composite foam laminate and method
- Patent number 4,078,100
- Issue date Mar 7, 1978
- Detroit Gasket Company
- Ralph G. Doerfling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for making resilient laminar panel
- Patent number 3,966,526
- Issue date Jun 29, 1976
- Detroit Gasket & Manufacturing Company
- Ralph G. Doerfling
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heat shrinkable decorative covering material for vehicle panels
- Patent number 3,935,353
- Issue date Jan 27, 1976
- Detroit Gasket & Manufacturing Co.
- Ralph G. Doerfling
- B44 - DECORATIVE ARTS

Ralph G. Doerfling

Person

Patents Grantslast 30 patents

Method of forming contoured fiberglass sheet

Method of forming a foam resin core structure having a smooth compo...

Method of forming reinforced foam structure

Foam laminates and headliners

Composite carpet and foam laminate and method

Method of forming foam laminates and headliners

Composite foam laminate and method

Process for making resilient laminar panel

Heat shrinkable decorative covering material for vehicle panels