Blackston; Michael D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Blackston; Michael D..The latest application filed is for "tool with fastener engaging member".
- Blackston; Michael D. - Plymouth MN
- Blackston; Michael D. - Hopkins MN
- Blackston; Michael D. - Brooklyn Park MN
- Blackston; Michael D. - Brooklyn MN
| Patent | Date |
|---|---|
| Tool with fastener engaging member Grant 6,684,741 - Blackston February 3, 2 | 2004-02-03 |
| Tool with fastener engaging member Grant 6,681,662 - Blackston January 27, 2 | 2004-01-27 |
| Tool with fastener engaging member App 20030164075 - Blackston, Michael D. | 2003-09-04 |
| Tool with fastener engaging member App 20030164074 - Blackston, Michael D. | 2003-09-04 |
| Folding hand tool set Grant 6,128,981 - Bondhus , et al. October 10, 2 | 2000-10-10 |
| Folding hand tool set Grant 5,970,828 - Bondhus , et al. October 26, 1 | 1999-10-26 |
| Folding hand tool set Grant 5,791,211 - Bondhus , et al. August 11, 1 | 1998-08-11 |
| Handle for a folding hand tool set Grant D382,190 - Blackston , et al. August 12, 1 | 1997-08-12 |
| TORX-compatible elliptical driver Grant 5,251,521 - Burda , et al. October 12, 1 | 1993-10-12 |
| Breakaway for revolving doors Grant 4,562,665 - Blackston January 7, 1 | 1986-01-07 |
| Revolving door system Grant 4,530,183 - Heise , et al. * July 23, 1 | 1985-07-23 |
| Revolving door system Grant 4,475,308 - Heise , et al. October 9, 1 | 1984-10-09 |
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