DM

David A. Marcinkiewicz

RI Rockwell International: 2 patents #464 of 2,155Top 25%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,648,062 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5539818 Telephonic console with prerecorded voice message and method John M. Zdenek, Andrew Capigatti, Earl Leo Smith, III 1996-07-23
5461668 Telephonic console with programmable nonvolatile personality memory and method John M. Zdenek, Earl Leo Smith, III 1995-10-24
5371785 Telephonic console with multipersonality control apparatus and method 1994-12-06