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Manufacturers Index - Connecticut Tool & Engineering Co.

Connecticut Tool & Engineering Co.
Bridgeport, CT, U.S.A.
Manufacturer Class: Metal Working Machinery

Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
1,392,957 Oct. 11, 1921 Pulley and sheath therefor Frank E. Matthews Bridgeport, CT
D141,416 May. 29, 1945 Filing machine or the like Ernst J. Tomek Danbury, CT
    Filing machine or the like Daniel J. Williams Fairfield, CT  
2,454,235 Nov. 16, 1948 Drilling machine Ernest J. Tomek Danbury, CT This drilling machine rotates the spindle via electric motor and advances and retracts it using hydraulic power.
D156,859 Jan. 10, 1950 Filing machine or the like Daniel J. Williams Fairfield, CT
2,922,217 Jan. 26, 1960 Filing machine Ferdinand John Kriz Fairfield, CT This filing machine supports the file from both ends, which allows the file to be tensioned, enabling more accurate and precise work. One suggest application is in blending straight surfaces into curved.
Nearly 12 years after this patent was granted, the inventor would be granted a West Germany patent that was assigned to the Producto Machine Co.; as far as we can tell, that invention was not granted a US patent.