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Aspro, Incorporated
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West Port, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for making hubless V-grooved pulley and product
Patent number
4,023,250
Issue date
May 17, 1977
Aspro, Incorporated
Nolte V. Sproul
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Centrifugal clutch with centrifugal detent
Patent number
4,020,936
Issue date
May 3, 1977
Aspro, Incorporated
Richard C. St. John
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Centrifugal clutch construction
Patent number
4,016,963
Issue date
Apr 12, 1977
Aspro, Incorporated
Richard C. St. John
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Noise-dampened pulley construction
Patent number
3,994,181
Issue date
Nov 30, 1976
Aspro, Incorporated
Nolte V. Sproul
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Traction control apparatus
Patent number
3,981,545
Issue date
Sep 21, 1976
Aspro, Incorporated
William C. Eddy
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of making poly-V pulleys and product
Patent number
3,977,264
Issue date
Aug 31, 1976
Aspro, Incorporated
Nolte V. Sproul
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Limited slip differential including conical pinion and side gears
Patent number
3,964,346
Issue date
Jun 22, 1976
Aspro, Incorporated
Albert F. Myers
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
High-low tire pressure signal switch
Patent number
3,961,309
Issue date
Jun 1, 1976
Aspro, Incorporated
William C. Eddy
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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last 30 trademarks