DL

Daniel D. Leffel

AT AT&T: 2 patents #7,280 of 18,772Top 40%
AS Agere Systems: 2 patents #639 of 1,849Top 35%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Pottstown, PA: #72 of 315 inventorsTop 25%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,033,957 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6989552 Method for making an integrated circuit device with dielectrically isolated tubs and related circuit Charles Arthur Goodwin, William R. Lewis 2006-01-24
6500717 Method for making an integrated circuit device with dielectrically isolated tubs and related circuit Charles Arthur Goodwin, William R. Lewis 2002-12-31
4870029 Method of forming complementary device structures in partially processed dielectrically isolated wafers William Easter 1989-09-26
4820653 Technique for fabricating complementary dielectrically isolated wafer William Easter 1989-04-11
4466852 Method and apparatus for demounting wafers Richard K. Beltz, Donald M. Large 1984-08-21