Patent Assignment
Reel/Frame 005717/0401
Nunc Pro Tunc Assignment Effective on 03/31/1990
Recorded: 1991-06-03
Pages: 5
Assignor
DUCON COMPANY INC., THE, A CORP. OF NY
Executed: 1991-05-29
Assignee
ZELCRON INDUSTRIES INC., A DE CORP.
110 BI-COUNTY BOULEVARD, STE. 116, FARMINGDALE, NEW YORK, 11735
Covered Properties
(4)
Screenless Granular Bed Filter
Patent:
4,140,497 →
Application:
05/759,969 →
Horizontal Venturi Scrubber
Patent:
4,305,737 →
Application:
05/859,341 →
Pneumatic Stream Divider
Patent:
4,436,459 →
Application:
06/032,209 →
Control of Solids Discharge from Pressurized Vessel
Patent:
4,260,298 →
Application:
06/040,004 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.