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Patent applications and USPTO patent grants for Precision Thin Film Corporation.The latest application filed is for "safety system".
Patent | Date |
---|---|
Safety system Grant 4,003,152 - Barker , et al. January 18, 1 | 1977-01-18 |
Safety system Grant 3,939,679 - Barker , et al. February 24, 1 | 1976-02-24 |
High vacuum deposition apparatus Grant 3,913,520 - Berg , et al. October 21, 1 | 1975-10-21 |
Validated Drop Test Apparatus Grant 3,871,208 - Berg March 18, 1 | 1975-03-18 |
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