783 bytes added
, 11:34, 13 July 2016
patent | four | eight | twelve | feedate
--------+------+-------+--------+------------
4374868 | | 3 | | 1990-02-22
4650733 | 3 | | | 1990-03-19
4652595 | 3 | | | 1990-03-26
4653228 | 2 | | | 1990-04-02
4379068 | | 3 | | 1990-04-05
4654509 | 2 | | | 1990-04-07
4531477 | | 2 | | 1990-05-07
4386763 | | 2 | | 1990-06-07
4679810 | 3 | | | 1990-07-16
4680106 | 3 | | | 1990-07-16
4399936 | | 3 | | 1990-08-23
4690471 | 3 | | | 1990-09-04
4692571 | 3 | | | 1990-09-10
4403386 | | 2 | | 1990-09-13
4693634 | 3 | | | 1990-09-17