Great Lakes Tool and Machine

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21H MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS 17
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5381682 Apparatus and method of manufacturing masonry fastenersDec 17, 93Jan 17, 95[B21H]
5299897 Masonry fastenerJun 09, 93Apr 05, 94[F16B]
5203194 Method of forming a trailer hitch receiver tubeDec 05, 91Apr 20, 93[B21D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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