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| Patents for Peter de Mattia | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-246,551 | Feb. 03, 1925 | P. de Mattia | Core for pneumatic tires | ||
| CA-246,552 | Feb. 03, 1925 | P. de Mattia | Core for tires | ||
| CA-246,553 | Feb. 03, 1925 | P. de Mattia | Core for tires | ||
| CA-250,735 | Jun. 16, 1925 | P. de Mattia | Collapsible core | ||
| CA-266,698 | Dec. 14, 1926 | P. de Mattia | Core | ||
| CA-271,175 | May 31, 1927 | P. de Mattia | Collapsible core | ||