MEEHANITE WORLDWIDE CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4550761 Mold coatingExpiredNov 03, 82Nov 05, 85[B22C]
4490172 Method of melting and refining steel and other ferrous alloysExpiredJan 10, 83Dec 25, 84[C21C]
4409028 Process for producing cast ironExpiredOct 23, 80Oct 11, 83[C22C]
4377411 Addition agent for cast ironExpiredSep 08, 81Mar 22, 83[C22C]

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