Graunke; Donald R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Graunke; Donald R..The latest application filed is for "method for determining the strength of a metal processing solution".
- Graunke; Donald R. - Seattle WA
| Patent | Date |
|---|---|
| Method for determining the strength of a metal processing solution Grant 4,336,111 - Graunke June 22, 1 | 1982-06-22 |
| Method for measuring the relative etching or stripping rate of a solution Grant 4,229,264 - Graunke October 21, 1 | 1980-10-21 |
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