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| All Patents in class 29/889.22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,327,495 | May 04, 1982 | R.A. Plante | Vane Airfoil Method and Apparatus | air vane flow apparatus | |
| 6,041,500 | Mar. 28, 2000 | P.D. Terpstra | Automatic Assembly Machine and Method Utilizing Six Axis Positioning Device | assembling machines | |