Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
| Reel/Frame: | 005898/0937 | |
| Pages: | 3 |
| | Recorded: | 04/26/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
|
|
Total properties:
1
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/14/1992
|
Application #:
|
07660788
|
Filing Dt:
|
02/26/1991
|
|
Title:
|
PASSIVE RAILROAD CROSSING WARNING SYSTEM
|
|
|
Correspondence name and address
|
| |
STEPHEN W. BUCKINGHAM
|
| |
3M OFFICE OF INTELLECTUAL PROP. COUNSEL
|
| |
P. O. BOX 33427
|
| |
ST. PAUL, MN 55133-3427
|
Search Results as of:
05/24/2024 02:13 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
|
