Stephen Kropp — 2 Patents at Vtech Communications

Stephen Kropp has been granted 2 US patents while listed as an inventor at Vtech Communications. The first was granted in 1998 and the most recent in June 2010. Stephen Kropp ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen Kropp in Surrey, BC, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7738917	Intercom/wireless door bell for multi-handset telephone system	Gordon Ryley, Ralph Tischler, Allan Chi-Yun Wong, Jagjit Grewal	2010-06-15
5852774	Sidetone level reduction circuit and method	—	1998-12-22

Stephen Kropp — 2 Patents

Issued Patents All Time

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