Biver; William R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Biver; William R..The latest application filed is for "safety edge assembly for elevator doorways".
- Biver; William R. - Dubuque IA
| Patent | Date |
|---|---|
| Safety edge assembly for elevator doorways Grant 5,394,961 - Biver March 7, 1 | 1995-03-07 |
| Incubator Grant 5,061,448 - Mahe , et al. October 29, 1 | 1991-10-29 |
| Device for determining the activated clotting time of a blood sample Grant 4,105,411 - Biver August 8, 1 | 1978-08-08 |
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