Assignee
DORFMAN BERTRAND
US·7 granted patents·143 citations·filing 1977–2010
Top patents by PatentIndex Score
7 records- 0190US4239940ACarrier current communications systemDORFMAN BERTRAND·Filed 1978·Granted Dec 16, 1980·56 cites·18 claims
- 0284US8340903B2Wayfinding systemDORFMAN BERTRAND·Filed 2010·Granted Dec 25, 2012·6 cites·7 claims
- 0375US4139735ACarrier current communications systemDORFMAN BERTRAND·Filed 1977·Granted Feb 13, 1979·32 cites·12 claims
- 0474US7512406B2Personnel tracking systemDORFMAN BERTRAND·Filed 2007·Granted Mar 31, 2009·6 cites·16 claims
- 0574US7426231B1Communication within buildingsDORFMAN BERTRAND·Filed 2002·Granted Sep 16, 2008·28 cites·14 claims
- 0659US7313411B2Wireless communication systemDORFMAN BERTRAND·Filed 2005·Granted Dec 25, 2007·2 cites·24 claims
- 0759US7117024B1Wireless telephone communication with reduced electromagnetic energy input on the userDORFMAN BERTRAND·Filed 2002·Granted Oct 3, 2006·13 cites·11 claims
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