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Patent Model - Improvement in Burglar-Alarms  William A. Parker  William M. Parker Add to Shortlist

Patent Model - Improved Spring-Bedstead  Robert Roberts Add to Shortlist

Patent Model - Improvement in Apparatus for Finishing and Boxing Paper Collars  John J. Currier  Samuel Wells, Jr.  James H. Plaisted Add to Shortlist

Patent Model - Improvement in Sewing-Machines  John B. Price  Charles E. Billings Add to Shortlist

Patent Model - Clothes-Frame  Robert Ramsey Add to Shortlist

Patent Model - Improvement in Refrigerators  Benjamin F. Averill  Lee Lord Hyde Add to Shortlist

Patent Model - Improvements in Steam-Generators  George Henry Corliss Add to Shortlist

Patent Model - Improved Bed-Bottom  George Frey Add to Shortlist

Patent Model - Improvement in Type-Writing Machines  Henry M. Grant Add to Shortlist

Patent Model - Improvement in Friction Calender Rolls for Paper  William H. Soley  George Stites Add to Shortlist