CROWN METAL MANUFACTURING COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 138

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5331757 SignholderOct 05, 92Jul 26, 94[G09F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5058300 SignholderExpiredNov 02, 89Oct 22, 91[G09F]
4790093 Molded plastic signholderExpiredSep 02, 87Dec 13, 88[G09F]
4726132 Molded plastic signholderExpiredJun 18, 86Feb 23, 88[G09F]
4535525 Adapter for bracket securement to wall studs and method of manufactureExpiredFeb 02, 84Aug 20, 85[B21D]
4455007 Hang rail support and hang railExpiredAug 03, 82Jun 19, 84[A47H, A47F]
4443979 Adapter for bracket securement to wall studs and method of manufactureExpiredAug 24, 81Apr 24, 84[A47B]
4441300 Bracket support for wall studsExpiredAug 14, 78Apr 10, 84[A47F, A47G]
4316546 Hang rail support and hang railExpiredFeb 20, 80Feb 23, 82[A47H]
4316547 Hang rail support and hang railExpiredMar 14, 80Feb 23, 82[A47H]

Top Inventors for This Owner

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