US Patent: 2,521,276
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| Toggle Action Self-Locking Wrench and/or Nonlocking Pliers
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Patentee:
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| Friederich W. Lampe (exact or similar names) - Detroit, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 28, 1948 |
| Granted: |
Sep. 05, 1950 |
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Stan Schulz
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Description: |
| Lampe was "chief engineer" for KNU-VISE. KNU-VISE made the model VW-10 locking plier wrench after WWII. It was nearly identical to the VISE-GRIP(tm) models produced prior to 1947.
Harness, Dickey & Pierce - patent attorneys
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