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HOWE RICHARDSON Co

HOWE RICHA
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3532253A Constant weight feeding apparatus Expired / Lapsed 1968-11-12 1970-10-06 0 Details
US3329313A Constant weight feeding apparatus Expired / Lapsed 1965-09-29 1967-07-04 2 Details