Hilgemann; Hans
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hilgemann; Hans.The latest application filed is for "regulating station".
- Hilgemann; Hans - Recklinghausen DT
| Patent | Date |
|---|---|
| Regulating station Grant 3,873,022 - Hilgemann March 25, 1 | 1975-03-25 |
| Method Of Operating Public Bath And The Like Grant 3,844,338 - Hilgemann , et al. October 29, 1 | 1974-10-29 |
| Convoluted Conduit Construction Grant 3,817,290 - Hilgemann June 18, 1 | 1974-06-18 |
| Enclosed Public Baths And The Like Grant 3,666,004 - Hilgemann , et al. May 30, 1 | 1972-05-30 |
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