1
James Kraemer Ph.D.
Robert L Angell, James R Kraemer: Detection of toxic waste using RFIDs. International Business Machines Corporation, Dillon & Yudell, June 21, 2011: US07965172 (3 worldwide citation)

Toxic waste is laced with Radio Frequency Identification (RFID) tags. Subsequently, wherever the RFID tags are detected in an area, a conclusion is drawn that there is a presence, either past or present, of the toxic waste in the area.


2
James Kraemer Ph.D.
Robert L Angell, James R Kraemer: Detection of Toxic Waste Using RFIDs. Dillon & Yudell, September 10, 2009: US20090224917-A1

Toxic waste is laced with Radio Frequency Identification (RFID) tags. Subsequently, wherever the RFID tags are detected in an area, a conclusion is drawn that there is a presence, either past or present, of the toxic waste in the area.



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