David A. Bullen

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Accessory drive with band brake
- Patent number 4,677,877
- Issue date Jul 7, 1987
- Canadian Fram Limited
- Andrew G. Anderson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two speed accessory drive
- Patent number 4,662,861
- Issue date May 5, 1987
- Canadian Fram Limited
- Michael B. Seung
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS