U.S. patent number D243,412 [Application Number 05/607,264] was granted by the patent office on 1977-02-15 for pressure relief valve for a low pressure cuffed tracheostomy tube. This patent grant is currently assigned to Shiley Laboratories, Inc.. Invention is credited to Kenneth K. Krueger, Todor Pavlov.
United States Patent | D243,412 |
Krueger , et al. | February 15, 1977 |
Inventors: | Krueger; Kenneth K. (Tustin, CA), Pavlov; Todor (Laguna Niguel, CA) |
---|---|
Assignee: | Shiley Laboratories, Inc.
(Santa Ana, CA) |
Appl. No.: | 05/607,264 |
Filed: | August 25, 1975 |
Current U.S. Class: | D24/164; D24/129; D24/110.6 |
Current International Class: | D2402 |
Field of Search: | ;D23/19-22 ;D32/1R ;D83/1K,1L ;128/348,349R,349B,349BU,351 |
D41492 | June 1911 | Mason |
D196723 | October 1963 | Davis |
D232268 | July 1974 | Fettel et al. |
3322126 | May 1967 | Rusch et al. |
3794043 | February 1974 | McGinnis |
3810474 | May 1974 | Cross |
3848605 | November 1974 | Harautuneian et al. |
3889676 | June 1975 | Greene |
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