Heitner; Alfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heitner; Alfred.The latest application filed is for "electrically heated water outlets".
- Heitner; Alfred - Buttfen DT
- Heitner; Alfred - Buttgen DT
| Patent | Date |
|---|---|
| Electrically Heated Water Outlets Grant 3,816,687 - Heitner June 11, 1 | 1974-06-11 |
| Mounting Rims Grant 3,749,908 - Esser , et al. July 31, 1 | 1973-07-31 |
| Screw Connections For Structures Such As Roof Skylights Grant 3,694,013 - Heitner September 26, 1 | 1972-09-26 |
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