1
John P Volpi, Jimmy D Laferney, William C Montgomery: Interrogator and interrogation system employing the same. Caducys L L C, Slater & Matsil L, March 28, 2006: US07019650 (111 worldwide citation)

The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator includes a metal sensing subsystem configured to provide a first signal having a sig ...


2
John P Volpi, Wallace A Kluck, David W Hensley: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, August 12, 2008: US07411506 (39 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


3
John P Volpi, Steven D Roemerman, Jimmy D Laferney, Robert C Hatch, Glenn W Boisbrun: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, June 2, 2009: US07541933 (27 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


4
John P Volpi, Jimmy D Laferney, William C Montgomery: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, July 7, 2009: US07557711 (16 worldwide citation)

The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator includes a metal sensing subsystem configured to provide a first signal having a sig ...


5
John P Volpi, Jimmy D Laferney, David W Hensley, Robert C Hatch, Glenn W Boisbrun: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, November 22, 2011: US08063760 (15 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


6
John P Volpi, Logan Scott, David W Hensley: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, February 22, 2011: US07893840 (15 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


7
John P Volpi, Wallace A Kluck, David W Hensley: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, July 13, 2010: US07755491 (14 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


8
John P Volpi, Jimmy D Laferney, William C Montgomery: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, July 20, 2010: US07760097 (14 worldwide citation)

The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator includes a metal sensing subsystem configured to provide a first signal having a sig ...


9
John P Volpi, Logan Scott, David W Hensley: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, March 2, 2010: US07671744 (12 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...


10
John P Volpi, Logan Scott, Wallace A Kluck, David W Hensley: Interrogator and interrogation system employing the same. Veroscan, Slater & Matsil L, May 8, 2012: US08174366 (9 worldwide citation)

An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the ob ...