Ludwa; Raymond J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ludwa; Raymond J..The latest application filed is for "surface wiping implement".
- Ludwa; Raymond J. - Cincinnati OH
- Ludwa; Raymond J. - Fairfield OH
| Patent | Date |
|---|---|
| Surface wiping implement Grant 4,338,366 - Evans , et al. July 6, 1 | 1982-07-06 |
| Absorbent article Grant 4,276,338 - Ludwa , et al. June 30, 1 | 1981-06-30 |
| Surface wiping device Grant 4,239,792 - Ludwa December 16, 1 | 1980-12-16 |
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