DW

David L. Walker

ZP Zenith Products: 15 patents #2 of 10Top 20%
📍 Portland, OR: #1 of 764 inventorsTop 1%
🗺 Oregon: #7 of 2,300 inventorsTop 1%
Overall (2004): #436 of 270,089Top 1%
16
Patents 2004

Issued Patents 2004

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
D499796 Cabinet with dispenser 2004-12-14
D496188 Hutch 2004-09-21
D496187 Floor cabinet Michael P. Clucas 2004-09-21
D495899 Spacesaver cabinet 2004-09-14
D495898 Utility cabinet 2004-09-14
D495527 Cart cabinet 2004-09-07
6778961 Method and system for delivering text-to-speech in a real time telephony environment Mark G. Mackelprang, Andrew J. Sipe, David Elsberry 2004-08-17
D493305 Shelf cabinet 2004-07-27
D488641 Cabinet 2004-04-20
D488636 Spacesaver cabinet 2004-04-20
D488329 Cabinet 2004-04-13
D486338 Wall cabinet 2004-02-10
D486339 Wall cabinet with shelves 2004-02-10
D486023 Wall cabinet 2004-02-03
D486024 Wall cabinet with shelves 2004-02-03
D485721 Wall cabinet 2004-01-27