U.S. patent number D271,521 [Application Number 06/176,824] was granted by the patent office on 1983-11-22 for pump handle for use with a biopsy specimen collector. This patent grant is currently assigned to Ashbourne Development Corporation. Invention is credited to Roy W. Downing, James P. Ryan.
United States Patent | D271,521 |
Ryan , et al. | November 22, 1983 |
Inventors: | Ryan; James P. (Newton, MA), Downing; Roy W. (Hingham, MA) |
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Assignee: | Ashbourne Development
Corporation (Louisville, KY) |
Appl. No.: | 06/176,824 |
Filed: | August 11, 1980 |
Current U.S. Class: | D24/146; D23/226; D24/113 |
Current International Class: | D2402 |
Field of Search: | ;D23/1,14,17,19,20,21,22 ;D24/8,17,18,23,26,28,29,30 ;239/526-528,414 ;128/304,752,749,757,758 ;604/35,94,149,171,181,279,267,55 |
D235872 | July 1975 | Harussi |
D252097 | June 1979 | Probst et al. |
3888421 | June 1975 | Chow |
3945371 | March 1976 | Adelman |
4257425 | March 1981 | Ryan |
2238019 | Feb 1974 | DE | |||
1451726 | Jul 1966 | FR | |||
International Publication #WO81/03125-11/1981. . Masterson Endometrial Vacuum Handle Brochure submitted by applicant. . Manual of Gynecological Surgery-undated-pp. 13-19 Article on Endometrial Aspiration Biopsy.. |
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