| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
30.06.1999 US 141283 P
01.07.1999 US 141864 P
08.03.2000 US 187890 P
|
| (71) |
Applicant: Blackboard, Inc. |
|
Washington, DC 20036 (US) |
|
| (72) |
Inventors: |
|
- ALCORN, Robert, L.
Arlington, VA 22204 (US)
- CANE, Daniel E.
Washington, DC 20009 (US)
- CHASEN, Michael L.
Washington, DC 20008 (US)
- CHI, Timothy R.
Fairfax, VA 22031 (US)
- GILFUS, Stephen, R.
Woodbridge, VA 22192 (US)
- PERIAN, Scott
Washington, DC 20008 (US)
- PITTINSKY, Matthew L.
Washington, DC 20008 (US)
|
| (74) |
Representative: Kehl, Günther, Dipl.-Phys. |
|
PatentanwaltskanzleiGünther KehlFriedrich-Herschel-Strasse 9
81679 München
81679 München (DE) |
|
