Rahrig; Donald D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rahrig; Donald D..The latest application filed is for "method and apparatus for bending glass sheets".
- Rahrig; Donald D. - Toledo OH
| Patent | Date |
|---|---|
| Method and apparatus for bending glass sheets Grant 4,973,344 - Rahrig , et al. November 27, 1 | 1990-11-27 |
| Method of and apparatus for bending glass sheets Grant 4,074,996 - Hagedorn , et al. February 21, 1 | 1978-02-21 |
| Apparatus for bending and tempering glass sheets by differential cooling Grant 4,028,086 - Rahrig , et al. June 7, 1 | 1977-06-07 |
| Method of and apparatus for bending and tempering thin glass sheets Grant 3,951,634 - Hall , et al. April 20, 1 | 1976-04-20 |
| Heat treating glass sheets Grant 3,881,906 - Ritter, Jr. , et al. May 6, 1 | 1975-05-06 |
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