Raymond Michael Madruga

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San Ramon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety railing for utility hatch
- Patent number 10,550,539
- Issue date Feb 4, 2020
- Madruga Iron Works, Inc.
- Joseph R. Madruga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Utility enclosure vandal guard with lock box
- Patent number 8,783,074
- Issue date Jul 22, 2014
- Madruga Iron Works, Inc.
- Joseph Raymond Madruga
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Utility enclosure vandal guard with shackle cover
- Patent number 8,689,590
- Issue date Apr 8, 2014
- Madruga Iron Works, Inc.
- Joseph Raymond Madruga
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
SAFETY RAILING FOR UTILITY HATCH
- Publication number 20200024820
- Publication date Jan 23, 2020
- MADRUGA IRON WORKS, INC.
- Joseph R. Madruga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Utility Enclosure Vandal Guard With Shackle Cover
- Publication number 20140000328
- Publication date Jan 2, 2014
- MADRUGA IRON WORKS, INC.
- Joseph Raymond Madruga
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Utility Enclosure Vandal Guard With Lock Box
- Publication number 20140000327
- Publication date Jan 2, 2014
- MADRUGA IRON WORKS, INC.
- Joseph Raymond Madruga
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES