File:Spiralift Patent.jpg
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Summary
<!== Summary ==
| Description |
English: English: Patent Drawing for Spiralift Actuator,
U.S. Patent 4,875,660 (1989), with content shifted and legend added. |
||
| Date | Filed Feb. 6, 1989 | ||
| Source | US Patent n° 4,875,660 | ||
| Author | Pierre Gagnon | ||
| Permission (Reusing this file) |
Licensing
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/* Summary */
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:57, 5 August 2010 | | 1,656 × 1,662 (494 KB) | Catsquisher | <!== {{int:filedesc}} == {{Information |Description={{en|1=Patent Drawing for Spiralift Actuator, U.S. Patent 4,875,660 (1989), with content shifted and legend added.}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1& |
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