US Patent: 4,776,212
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| Pocket Surface Roughness Gage
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Patentees:
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| Frederick G. Parsons (exact or similar names) - Cranston, RI |
| Mark H. Miller (exact or similar names) - Johnston, RI |
| Eugene F. Cote (exact or similar names) - Somerset, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 19, 1987 |
| Granted: |
Oct. 11, 1988 |
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Joel Havens
"Vintage Machinery" entry for Federal Products Corp.
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Description: |
| Nutter, McClennen & Fish - patent attorneys |
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