000 | 00497nam a22001817c 4500 | ||
---|---|---|---|
001 | 18279 | ||
003 | OSt | ||
005 | 20190814091513.0 | ||
007 | t| | ||
008 | 190702s1976 xxu||||| |||| 00| 0 d | ||
110 | 1 | _aUnited States Patent Office <Washington> | |
245 | 0 | 0 |
_aQuestions and answers about patents : _banswers to questions frequently asked about patents |
250 | _arev. May 1976 | ||
264 | 1 |
_aWashington, _c1976 |
|
300 | _a14 S. | ||
650 |
_aPatentwesen _93556 |
||
650 |
_aUSA _94716 |
||
999 |
_c10592 _d10592 |