DC to DC converter
McDonnal March 23, 1
U.S. patent number D334,171 [Application Number 07/815,373] was granted by the patent office on 1993-03-23 for dc to dc converter. This patent grant is currently assigned to Ro Associates. Invention is credited to John E. McDonnal.
| United States Patent | D334,171 |
| McDonnal | March 23, 1993 |
DC to DC converter
Claims
The ornamental design for a DC to DC converter, as shown and described.
| Inventors: | McDonnal; John E. (San Jose, CA) |
|---|---|
| Assignee: | Ro Associates (Sunnyvale,
CA) |
| Appl. No.: | 07/815,373 |
| Filed: | December 31, 1991 |
| Current U.S. Class: | D13/110 |
| Field of Search: | ;D13/110,123,124,184 ;361/386,388,392 ;336/90,92,200 ;363/15,95 ;307/150,151 ;174/52.1,52.2 |
References Cited [Referenced By]
U.S. Patent Documents
| D287006 | December 1986 | Fletcher et al. |
| D297928 | October 1988 | Harpley et al. |
| 3717835 | February 1973 | Roadstrum |
| 4758808 | July 1988 | Sasaki et al. |
| 4918417 | April 1990 | Sakamoto |
| 4949057 | August 1990 | Ishizaka et al. |
| 5075821 | December 1991 | McDonnal |
Assistant Examiner: Sincavage; Joel
Attorney, Agent or Firm: Rosenblum, Parish & Isaacs
Description
FIG. 1 is a front and lower right perspective view of a DC to DC converter showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side elevational view thereof, the right side elevational view thereof being a mirror image; and,
FIG. 4 is a bottom plan view thereof.
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