David Lischner — 4 Patents at AT&T

David Lischner has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 1984 and the most recent in January 2004. David Lischner ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Lischner in Allentown, PA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6681482	Heatspreader for a flip chip device, and method for connecting the heatspreader	Raymond J. Nika, James Robert Ronemus	2004-01-27
6118177	Heatspreader for a flip chip device, and method for connecting the heatspreader	Raymond J. Nika, James Robert Ronemus	2000-09-12	$60,915,000
4494303	Method of making dielectrically isolated silicon devices	George K. Celler, McDonald Robinson	1985-01-22
4461670	Process for producing silicon devices	George K. Celler, McDonald Robinson	1984-07-24

David Lischner — 4 Patents

Issued Patents All Time

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