Spektor; Michael B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Spektor; Michael B..The latest application filed is for "optimized soil penetrating machine".
- Spektor; Michael B. - Portland OR
- Spektor; Michael B. - Klamath Falls OR
| Patent | Date |
|---|---|
| Optimized soil penetrating machine Grant 9,441,419 - Spektor September 13, 2 | 2016-09-13 |
| Optimized Soil Penetrating Machine App 20160040481 - Spektor; Michael B. | 2016-02-11 |
| Optimized Pneumatic Hammer App 20150273676 - Spektor; Michael B. | 2015-10-01 |
| Reversible penetrating machine with a differential air distributing mechanism Grant 7,273,113 - Spektor September 25, 2 | 2007-09-25 |
| Reversible penetrating machine with a springless pneumatically loaded differential air distributing mechanism App 20060207794 - Spektor; Michael B. | 2006-09-21 |
| Monotube differential pneumopercussive reversible self-propelled soil penetrating machine with stabilizers Grant 5,467,831 - Spektor November 21, 1 | 1995-11-21 |
| Differential pneumopercussive reversible self-propelled soil penetrating machine Grant 5,311,950 - Spektor May 17, 1 | 1994-05-17 |
| Pneumopercussive machine Grant 5,226,487 - Spektor * July 13, 1 | 1993-07-13 |
| Pneumopercussive soil penetrating machine Grant 5,031,706 - Spektor July 16, 1 | 1991-07-16 |
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