Karls; Michael A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Karls; Michael A..The latest application filed is for "digital video authenticator".
- Karls; Michael A. - Muncie IN
- Karls; Michael A. - Hilbert WI
| Patent | Date |
|---|---|
| Digital video authenticator Grant 7,197,143 - Duerr , et al. March 27, 2 | 2007-03-27 |
| Electronically controlled cooling system for a marine propulsion engine Grant 6,733,352 - Belter , et al. May 11, 2 | 2004-05-11 |
| Digital video authenticator App 20040022523 - Duerr, Thomas E. ; et al. | 2004-02-05 |
| Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system Grant 6,478,543 - Tuchscherer , et al. November 12, 2 | 2002-11-12 |
| Marine propulsion unit with water inlets in all quadrants of the front portion of its torpedo-shape gearcase Grant 6,146,223 - Karls , et al. November 14, 2 | 2000-11-14 |
| Torsionally twisting propeller drive sleeve Grant 5,322,416 - Karls , et al. * June 21, 1 | 1994-06-21 |
| Variable pitch marine propeller with shift biasing and synchronizing mechanism Grant 5,290,147 - Karls , et al. March 1, 1 | 1994-03-01 |
| Torque rated floating marine propeller wrench Grant 5,263,389 - Frazzell , et al. November 23, 1 | 1993-11-23 |
| Propeller drive sleeve Grant 5,244,348 - Karls , et al. September 14, 1 | 1993-09-14 |
| Marine drive weed deflector Grant 4,925,412 - Karls May 15, 1 | 1990-05-15 |
| Position control system for a marine propulsion device Grant 4,842,559 - Litjens , et al. June 27, 1 | 1989-06-27 |
| Cooling water intake with increased flow Grant 4,752,257 - Karls , et al. June 21, 1 | 1988-06-21 |
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