Will it sell? how to determine if your invention is profitably marketable (before wasting money on a patent)
| Glavni avtor: | |
|---|---|
| Format: | Knjiga |
| Jezik: | English |
| Izdano: |
Okemos, Mich.
J.E. White & Associates
2000.
|
| Teme: |
| Glavni avtor: | |
|---|---|
| Format: | Knjiga |
| Jezik: | English |
| Izdano: |
Okemos, Mich.
J.E. White & Associates
2000.
|
| Teme: |