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Patent applications and USPTO patent grants for Boerger; Frank E..The latest application filed is for "gas barrier for interconnecting and isolating two atmospheres".
Patent | Date |
---|---|
Gas Barrier For Interconnecting And Isolating Two Atmospheres Grant 3,650,042 - Boerger , et al. March 21, 1 | 1972-03-21 |
Article-handling Apparatus Grant 3,625,384 - Boerger , et al. December 7, 1 | 1971-12-07 |
Method And Apparatus For Controlling Quantity Of A Vapor In A Gas Grant 3,583,685 - Boerger , et al. June 8, 1 | 1971-06-08 |
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