Ruff; Gray E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruff; Gray E..The latest application filed is for "non-bunching cinch ring for self-applied blood pressure cuff".
- Ruff; Gray E. - Hillsboro OR
| Patent | Date |
|---|---|
| Non-bunching cinch ring for self-applied blood pressure cuff Grant 4,832,040 - Ruff May 23, 1 | 1989-05-23 |
| Blood pressure cuff Grant 4,745,924 - Ruff May 24, 1 | 1988-05-24 |
| Self applied blood pressure cuff Grant 4,727,885 - Ruff March 1, 1 | 1988-03-01 |
| Blood pressure cuff Grant 4,716,906 - Ruff January 5, 1 | 1988-01-05 |
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