Peter Roberts

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
High performance automotive muffler
- Patent number 4,673,058
- Issue date Jun 16, 1987
- G Enterprises Limited
- Peter Roberts
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for manufacturing a tail-pipe replacement kit
- Patent number 4,564,987
- Issue date Jan 21, 1986
- Thrush Incorporated
- Peter Roberts
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Exhaust extension pipe replacement kit
- Patent number 4,537,280
- Issue date Aug 27, 1985
- Thrush Incorporated
- Peter Roberts
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tail-pipe replacement kit
- Patent number 4,441,579
- Issue date Apr 10, 1984
- Thrush Incorporated
- Peter Roberts
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Back-fire resistant lock seam for muffler shells
- Patent number 4,333,545
- Issue date Jun 8, 1982
- Thrush Incorporated
- Peter Roberts
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES