1 result for “Owens-Illinois”
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Patent · February 22, 1972 · page 1
Method for preparing an asbestos fiber product of improved filtration characteristics (US Patent 3,644,138, 1972)
In the document: …Iler........................................ 117/100 Iler et al................................. 1 17/126 Feigley et al....................... 17/100 X Sadler et al............................ 117/100 Owens..... Primary Examiner-William D. Martin Attorney-Elwood.J. Schaffer and Roger J. Drew Assistant Examiner…