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Patent applications and USPTO patent grants for Spruyt; Harry.The latest application filed is for "key ring structure".
Patent | Date |
---|---|
Key ring structure Grant 4,079,607 - Spruyt March 21, 1 | 1978-03-21 |
Moisture impervious packaging systems Grant 4,000,816 - Spruyt January 4, 1 | 1977-01-04 |
Packaging system Grant 3,904,074 - Hoffman , et al. September 9, 1 | 1975-09-09 |
Moisture responsive tilting planter Grant 3,903,641 - Hoffman , et al. September 9, 1 | 1975-09-09 |
Moisture-impermeable Package Grant 3,841,466 - Hoffman , et al. October 15, 1 | 1974-10-15 |
Camera Case For A Pocket Camera Grant 3,835,905 - Spruyt , et al. September 17, 1 | 1974-09-17 |
Moisture-impermeable Package Grant 3,784,056 - Spruyt , et al. January 8, 1 | 1974-01-08 |
Self-retracting Cover Grant 3,687,328 - Spruyt , et al. August 29, 1 | 1972-08-29 |
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