Tenneco Inc.
2 registered patent practitioners: 2 patent attorneys and 0 patent agents, Grass Lake, MI.
- John J. Cheek — Patent attorney, Reg. No. 39628, Tenneco Inc.
- Peter J. Mattei — Patent attorney, Reg. No. 62669, Tenneco Inc.
2 registered patent practitioners: 2 patent attorneys and 0 patent agents, Grass Lake, MI.