J & A Industries, Inc.

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Kansas City, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Signal mast with folding stand
- Patent number 8,397,868
- Issue date Mar 19, 2013
- J & A Industries, Inc.
- James J. Ferree
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Proximity detection and communication mechanism and method
- Patent number 7,577,502
- Issue date Aug 18, 2009
- J & A Industries, Inc.
- William L. Henry
- B61 - RAILWAYS

Patents Applicationslast 30 patents

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