Douglas J. Holt

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Livonia, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Locating assembly having an extendable clamping finger
- Patent number 6,913,254
- Issue date Jul 5, 2005
- Welker Bearing Company
- Joseph M. Pavlik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Locating assembly having an extendable clamping finger
- Patent number 6,786,478
- Issue date Sep 7, 2004
- Welker Bearing Company
- Joseph M. Pavlik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Three position cylinder
- Patent number 6,408,740
- Issue date Jun 25, 2002
- Welker Bearing Company
- Douglas J. Holt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Synchronizing cylinder assembly with equal displacement hydraulic c...
- Patent number 6,408,736
- Issue date Jun 25, 2002
- Welker Bearing Company
- Douglas J. Holt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Locating assembly having an extendable clamping finger
- Publication number 20040217529
- Publication date Nov 4, 2004
- Joseph M. Pavlik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Locating assembly having an extendable clamping finger
- Publication number 20040070130
- Publication date Apr 15, 2004
- Welker Bearing Company
- Joseph M. Pavlik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
THREE POSITION CYLINDER
- Publication number 20020066363
- Publication date Jun 6, 2002
- Douglas J. Holt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL