CA Patent: CA-1,090,109
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| Method of cleaning chips from a work-piece in an unmanned machining center
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Patentee:
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| Richard Johnstone (exact or similar names) - Brookfield, WI |
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Patent Dates:
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| Applied: |
Jan. 18, 1980 |
| Granted: |
Nov. 25, 1980 |
CIPO Data
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for Kearney & Trecker Corp.
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Description: |
| This patent is closely related to CA-1,090,108; collectively they are intended to make a machine that can run unattended for "an entire shift or longer". |
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