INGERSOLL RAND SECURITY TECHNOLOGIES
Carmel, IN US
INGERSOLL RAND SECURITY TECHNOLOGIES Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20120085223 | BLAST DOOR - A blast door ( | 04-12-2012 |
20110100762 | METHOD OF USING AN ELEVATOR SYSTEM, ELEVATOR SYSTEM FOR SUCH A METHOD AND METHOD OF RETROFITTING SUCH AN ELEVATOR SYSTEM AND ELECTRONIC DOOR TRIM - The invention relates to a method of operating an elevator system in a building with at least two storeys ( | 05-05-2011 |