Doerfling; Ralph G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doerfling; Ralph G..The latest application filed is for "fastener device for composite materials".
- Doerfling; Ralph G. - Livonia MI
- Doerfling; Ralph G. - Northville MI
- Doerfling; Ralph G. - Southfield MI
- Doerfling; Ralph G. - Walled Lake MI
| Patent | Date |
|---|---|
| Fastener device for composite materials Grant 5,095,592 - Doerfling March 17, 1 | 1992-03-17 |
| Method of forming contoured fiberglass sheet Grant 4,385,955 - Doerfling , et al. May 31, 1 | 1983-05-31 |
| Method of forming a foam resin core structure having a smooth composite reinforced integral skin Grant 4,379,103 - Doerfling April 5, 1 | 1983-04-05 |
| Method of forming reinforced foam structure Grant 4,372,900 - Doerfling February 8, 1 | 1983-02-08 |
| Foam laminates and headliners Grant 4,150,850 - Doerfling April 24, 1 | 1979-04-24 |
| Composite carpet and foam laminate and method Grant 4,096,303 - Doerfling June 20, 1 | 1978-06-20 |
| Method of forming foam laminates and headliners Grant 4,077,821 - Doerfling March 7, 1 | 1978-03-07 |
| Composite foam laminate and method Grant 4,078,100 - Doerfling March 7, 1 | 1978-03-07 |
| Process for making resilient laminar panel Grant 3,966,526 - Doerfling June 29, 1 | 1976-06-29 |
| Heat shrinkable decorative covering material for vehicle panels Grant 3,935,353 - Doerfling , et al. January 27, 1 | 1976-01-27 |
| Decorative Resilient Laminar Panel Grant 3,867,240 - Doerfling February 18, 1 | 1975-02-18 |
| Composite Gasket Grant 3,784,212 - Doerfling January 8, 1 | 1974-01-08 |
| Cable Control Unit Grant 3,645,503 - Doerfling February 29, 1 | 1972-02-29 |
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