Vittorio Spera

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St. Leonard, CA

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Patents Grantslast 30 patents

Information Patent Grant
Modular shoring assembly with length adjustable support
- Patent number 8,066,247
- Issue date Nov 29, 2011
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Modular scaffolding assembly
- Patent number 5,263,296
- Issue date Nov 23, 1993
- Speral Aluminium Inc.
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Modular scaffolding assembly
- Patent number 5,240,089
- Issue date Aug 31, 1993
- Speral Aluminum Inc.
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Multi-purpose structural member for concrete formwork
- Patent number 5,233,807
- Issue date Aug 10, 1993
- Speral Aluminium Inc.
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Prefabricated assembly for poured concrete forming structures
- Patent number 5,078,360
- Issue date Jan 7, 1992
- Speral Aluminium Inc.
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Hand railing assembly
- Patent number 4,805,879
- Issue date Feb 21, 1989
- Vittorio Spera
- E04 - BUILDING
Information Patent Grant
Hand railing assembly
- Patent number 4,451,025
- Issue date May 29, 1984
- Speral Aluminium Inc.
- Vittorio Spera
- E04 - BUILDING