| |
 |
J & A Industries, Inc. Patents |
|
Assignee: J & A Industries, Inc.
Address: Kansas City, KS
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7577502 |
Proximity detection and communication mechanism and method |
August 18, 2009 |
| A vital proximity detection mechanism and method for reliably determining and communicating the position of a railroad switch point relative to a normal fixed track and a reverse fixed track, wherein the mechanism includes substantial component redundancy and fault-checking features and |
|
|
|
