H. K. PORTER COMPANY, INC.

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CHICAGO 12, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Double side air break disconnecting switch
- Patent number 4,112,268
- Issue date Sep 5, 1978
- H. K. Porter Company, Inc.
- Asuncion Chung
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
72128209 - THRO-MATIC
- Serial number 72128209
- Registration number 734525
- Filing date Sep 19, 1961
- H. K. PORTER COMPANY, INC.
- 7 - Machines and machine tools