skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:004761/0373   Pages: 2
Recorded: 09/14/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
11/24/1987
Application #:
07025478
Filing Dt:
03/13/1987
Title:
APPARATUS FOR BALANCED HEAT RECOVERY VENTILATION - HEATING - HUMIDIFICATION - DEHUMIDIFICATION - COOLING AND FILTRATION OF AIR
Assignor
1
Exec Dt:
09/02/1987
Assignee
1
55 SCARSDALE RD.
A COMPANY OF CANADA
ONTARIO, M3B 2R3, CANADA
Correspondence name and address
DR. ORLAND SCHAUS
CANADIAN GAS RESEARCH INSITUTE
55 SCARSDALE ROAD
DON MILLS, ONTARIO, CANADA M3 2R3

Search Results as of: 06/24/2025 09:54 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT