Schramm; Willfried
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schramm; Willfried.The latest application filed is for "method and kit for collecting samples of liquid specimens for analytical testing".
- Schramm; Willfried - Battle Ground WA
- Schramm; Willfried - Ann Arbor MI
| Patent | Date |
|---|---|
| Method and kit for collecting samples of liquid specimens for analytical testing Grant 5,935,864 - Schramm , et al. August 10, 1 | 1999-08-10 |
| Immunoassay device for continuous monitoring Grant 5,281,539 - Schramm January 25, 1 | 1994-01-25 |
| Diagnostic device Grant 4,925,629 - Schramm May 15, 1 | 1990-05-15 |
| Oral fluid collection article Grant 4,817,632 - Schramm April 4, 1 | 1989-04-04 |
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