Patents - U.S.

Selected resources for researching U.S. patents

Connecticut Invents!

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Where can I find patents at the Connecticut State Library? Which patent depository libraries are nearby?

Here you will find information for locating U.S. Patent information within the Connecticut State Library.

These are some selected resources. You may contact us with questions.


Need more help? Try a patent depository library

Description and Drawings of Patents Available at the Library or online

Description and Drawings of Patents Available at the Library or Online

1790-Present
U.S. Patent and Trademark Office
Google Patent Search
1790-1860
United States Patents - SL Fed Doc C 21.23:Microfilm-vault
1845-1871 - Not complete, earlier years text only
Annual Report to Congress by the Commission of Patents - SL Fed Doc C 21.1/1: See also Serial Set.
1872-2002
Official Gazette - SL Fed Doc C 21.5:
1872-1898. 1949-1963
Official Gazette - SL Fed Doc Microfilm Vault C 21.5:
1994-Present
USAPAT: Facsimile images of U.S. Patents on CD-ROM (used with Patents BIB index) - SL Fed Doc C 21.31:

Patents at the Connecticut State Library

Where to Find Patents at the Connecticut State Library

 
Description and Drawings of Patents Available at the Library or online
Patent Date Title Location
1790-Present U.S. Patent Office  
1790-Present Google  
1790-1860 United States Patents SL Fed Doc C 21.23:Microfilm-vault
1845-1871Not complete, earlier years text only. Annual Report to Congress by the Commission of Patents SL Fed Doc C 21.1/1:Also in Serial Set
1872-2002 Official Gazette SL Fed Doc C 21.5:
1872-1898,1949-1963 Official Gazette SL Fed Doc C 21.5:Microfilm-vault
1994-Present USAPat: Facsimilie images of U.S. Patents on CD-ROM(used with Patents BIB index) SL Fed Doc C 21.31:
Indexes for Patents Available at or through the State Library
Patent Date Title Location
1790-1836 Early Unnumbered U.S. Patents, 1790-1836 SL GIS Ref T 223.D7 R47
1790-1836 List of Patents Granted by the U.S., 1790-1836 (1872) SL Fed Doc Ref I 23.7:
1790-1873 Subject Matter Index of Patents of Inventions 1790-1873, 3 vols. SL Fed Doc Ref I 23.7:
1790-1839 Digest of Patents Issued by the U.S. from 1790-Jan. 1, 1839 (P. Force 1840) SpecColl T 223.V4 A2 1840
1789-1899 Digest of U.S. Automobile Patents, from 1789-July 1, 1899...1900 SL Stacks TL 820.A4 1900
1800-1890 Connecticut Patents Project SL Conn Doc St292mus cpp
1839-1841 Digest of Patents issued by the U.S. from 1839-1841 (W. Greer 1842) SpecColl T 223.V4 A2 1840
1872-Present Index of Patents SL Fed Doc C 21.5/2:
1971-Present U.S. Patent Office  
1790-Present Google  

 

Patent Depository Libraries

 

Location Telephone Number
Providence Public Library (401) 455 - 8027
Boston Public Library (617) 536 - 5400 ext. 2226
W.E.B. Dubois Library, UMASS 413-545-2765
New York Public Library(Science, Industry and Business Library) (212) 592 - 7000
Ryan-Matura Library at Sacred Heart University - CLOSED 203-365-4842
Author:
Nancy Peluso
Last updated date:

Saturday, September 17, 2011

Links updated September 2020; Feb 2024