Purbrick; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Purbrick; John A..The latest application filed is for "electronic stethoscope".
- Purbrick; John A. - Arlington MA
| Patent | Date |
|---|---|
| Random access slide stainer with independent slide heating regulation Grant 7,553,672 - Bogen , et al. June 30, 2 | 2009-06-30 |
| Electronic stethoscope App 20080037800 - Grasfield; James A. ; et al. | 2008-02-14 |
| Random access slide stainer with independent slide heating regulation App 20070281364 - Bogen; Steven A. ; et al. | 2007-12-06 |
| Electronic stethoscope App 20070154024 - Grasfield; James A. ; et al. | 2007-07-05 |
| Random access slide stainer with independent slide heating regulation Grant 7,217,392 - Bogen , et al. May 15, 2 | 2007-05-15 |
| Random access slide stainer with independent slide heating regulation Grant 6,783,733 - Bogen , et al. August 31, 2 | 2004-08-31 |
| Electronic stethoscope App 20030072457 - Grasfield, James A. ; et al. | 2003-04-17 |
| Method using a slide stainer with independent slide heating regulation Grant 6,541,261 - Bogen , et al. April 1, 2 | 2003-04-01 |
| Random access slide stainer with independent slide heating regulation App 20020054830 - Bogen, Steven A. ; et al. | 2002-05-09 |
| Random access slide stainer with independent slide heating regulation Grant 6,183,693 - Bogen , et al. February 6, 2 | 2001-02-06 |
| Electronic stethoscope Grant 6,005,951 - Grasfield , et al. December 21, 1 | 1999-12-21 |
| Electronic stethoscope Grant 6,002,777 - Grasfield , et al. December 14, 1 | 1999-12-14 |
| Electronic stethoscope Grant 5,825,895 - Grasfield , et al. October 20, 1 | 1998-10-20 |
| Stepping motor control system Grant 4,426,608 - Larson , et al. January 17, 1 | 1984-01-17 |
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