Inventor · disambiguated record
Hal M. Krisbergh
Also filed as: KRISBERGH HAL · KRISBERGH HAL M
5 granted patents·1 pending application·223 citations·filing 1991–2011
84Inventor score
Top patents by PatentIndex Score
6 records- 0192US7239338B2Videophone system and methodWORLDGATE SERVICE INC·Filed 2003·Granted Jul 3, 2007·75 cites·39 claims
- 0290US8063928B2Videophone system and methodKRISBERGH HAL M·Filed 2006·Granted Nov 22, 2011·20 cites·8 claims
- 0385US5334975AResidential time reference systemWACHOB DAVID E·Filed 1991·Granted Aug 2, 1994·89 cites·22 claims
- 0481USD512698SVideo phoneWORLDGATE SERVICE INC·Filed 2003·Granted Dec 13, 2005·34 cites·1 claims
- 0574US8089502B2Adaptive video telephone systemKRISBERGH HAL M·Filed 2005·Granted Jan 3, 2012·5 cites·17 claims
- 0649US2011228041A1Videophone System and MethodKRISBERGH HAL M·Filed 2011·Application pending·0 cites
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