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Connecticut History Online
  • All fields: patent
(87 results)



Display: 20


Munger & Marsh's patent steam boiler. For which letters patent were issued, April 2d, 1841 ......

Munger & Marsh's patent steam boiler. For which letters patent were issued, April 2d, 1841 ......
Colt Patent Fire Arms Company, Hartford.

Colt Patent Fire Arms Company, Hartford.
Interior of United States Patent Office, Washington, D.C.

Interior of United States Patent Office, Washington, D.C.
Armory of Colt's Patent Fire Arms Manufacturing Company

Armory of Colt's Patent Fire Arms Manufacturing Company
Colt Patent Firearms Manufacturing Company building (historical), Hartford

Colt Patent Firearms Manufacturing Company building (historical), Hartford
Colt's patent repeating pistols, army, navy, and pocket sizes. Manufactured at Hartford, Conn. ...

Colt's patent repeating pistols, army, navy, and pocket sizes. Manufactured at Hartford, Conn. ...
Read before you condemn. Burning fluid can be used without accident ... Newel's[sic] patent safety...

Read before you condemn. Burning fluid can be used without accident ... Newel's[sic] patent safety...
Patent insulated lightning conductors! Invented by James Spratt, Cinncinnati, Ohio, manufactured...

Patent insulated lightning conductors! Invented by James Spratt, Cinncinnati, Ohio, manufactured...
Schedule referred to in these letters patent ..., in the words of the said John Percy himself, of...

Schedule referred to in these letters patent ..., in the words of the said John Percy himself, of...
Flood of 1936: flood damage near Colt's Patent Fire Arms Manufacturing Company, Hartford.

Flood of 1936: flood damage near Colt's Patent Fire Arms Manufacturing Company, Hartford.
Flood of 1936: Colt Patent Fire Arms Manufacturing Company, Van Dyke Avenue, Hartford.

Flood of 1936: Colt Patent Fire Arms Manufacturing Company, Van Dyke Avenue, Hartford.
Flood of 1936: man with a wheelbarrow at Colt's Patent Fire Arms Manufacturing Company, Van Dyke...

Flood of 1936: man with a wheelbarrow at Colt's Patent Fire Arms Manufacturing Company, Van Dyke...
Colts Armory interior after the fire, Hartford, Van Dyke Avenue, February 1864.

Colts Armory interior after the fire, Hartford, Van Dyke Avenue, February 1864.
Bulkeley Bridge celebration: Thomas Hooker party on barge, Hartford, October 1908.

Bulkeley Bridge celebration: Thomas Hooker party on barge, Hartford, October 1908.
Flood of 1936: Hartford from the south, March 1936.

Flood of 1936: Hartford from the south, March 1936.
Patent chimney flue, with dampers. The subscriber having obtained letters patent for the above...

Patent chimney flue, with dampers. The subscriber having obtained letters patent for the above...
Bodine's soda water fountain: The largest and most elaborate soda fountain in New England ... 281...

Bodine's soda water fountain: The largest and most elaborate soda fountain in New England ... 281...
Inspecting Army Machine Guns at Colts Patent Firearms Mfg. Co.

Inspecting Army Machine Guns at Colts Patent Firearms Mfg. Co.
Albany Agricultural Works, Rodney Kellogg, Hartford, Conn., agent for Emery's patent railroad...

Albany Agricultural Works, Rodney Kellogg, Hartford, Conn., agent for Emery's patent railroad...
Packing Army Machine Guns at Colts Patent Firearms Mfg. Co.

Packing Army Machine Guns at Colts Patent Firearms Mfg. Co.

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