1.
Double patenting and terminal disclaimers / De Jonghe, Thomas G.
De Jonghe, Thomas G., author.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
English | 47 US |
Detailed record - Similar records
2.
Telecommunication policies for the Americas : the blue book.
Geneva [Switzerland] : International Telecommunication Union, 1996.
Third edition.
English | P 231 TELE |
Detailed record - Similar records