Drewelow; Kurt L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drewelow; Kurt L..The latest application filed is for "high pressure gas valve having an inverted stem/seat design and a soft seated removable stem cartridge".
- Drewelow; Kurt L. - Aitken MN
- Drewelow; Kurt L. - Shakopee MN
| Patent | Date |
|---|---|
| High pressure gas valve having an inverted stem/seat design and a soft seated removable stem cartridge Grant 6,007,049 - Wass , et al. December 28, 1 | 1999-12-28 |
| Ball-exchange trailer hitch system Grant 5,860,669 - Wass , et al. Ja | 1999-01-19 |
| Ball-exchange trailer hitch Grant 5,741,022 - Wass , et al. April 21, 1 | 1998-04-21 |
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