John Henel has been granted 7 US patents while listed as an inventor at Teltronics . The first was granted in 1991 and the most recent in June 2003. John Henel ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John Henel in Richmond, CA, US.
Patents per Year Patents granted per year, 1991 to 2003 Bar chart with a peak of 3 patents in 2003. peak 3 1991: 1 patents 1991 1998: 1 patents 1998 2001: 2 patents 2001 2003: 3 patents 2003
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6577730 Modular digital telephone system and method including an universal telephony shelf Stephen Weir , Leonid Shvarzberg , Stephen Bellato , Terry Svetz , David Hochman +2 more 2003-06-10
6570981 Device and method for expanding legacy switches Stephen Weir , Leonid Shvarzberg , Stephen Bellato , David Hochman , Terry Svetz +2 more 2003-05-27
6567517 Timing and switching array and method Stephen Weir , Leonid Shvarzberg , Stephen Bellato , David Hochman , Terry Svetz +2 more 2003-05-20
6333981 Shelf driver unit and method Stephen Weir , Leonid Shvarzberg , Stephen Bellato , David Hochman , Terry Svetz +2 more 2001-12-25
6330328 Modular digital telephone system and method including an universal telephony shelf Stephen Weir , Leonid Shvarzberg , Stephen Bellato , David Hochman , Terry Svetz +2 more 2001-12-11
$174,000
5790648 Dynamically negotiated application program interface method Jason Mansfield Bailis , Virginia Ellen Lacker , Terry Svetz 1998-08-04
$3,782,000
5025468 Computerized system for incoming calls Parminder Sikand , Mary J. McAllister , Allen Jackson , Karen Bell 1991-06-18
$9,830,000
