发明者
Richard R Reisman
发表日期
2013/3/26
专利局
US
专利号
8407682
专利申请号
10954239
简介
Related US. Application Data now Pat. No. 5,694,546, said application No. 09/553, 337 is a division of application No. 08/982,157,? led on Dec. 1, 1997, now Pat. No. 6,125,388, which is a continuation of application No. 08/251,724,? led on May 31, 1994, now Pat. No. 5,694,546.
引用总数
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RR Reisman - US Patent 8,407,682, 2013