Questions tagged [us6754400]
The us6754400 tag has no usage guidance.
1 question
3
votes
2
answers
738
views
How to tell if the 6,754,400 patent has been deemed invalid?
I am curious if the US Patent Office has ruled on whether or not this patent is even valid. There was a patent dispute supposedly filed by the International Virtual Tour Photography Association (http:...
- 31