U.S. patent number D305,739 [Application Number 07/023,294] was granted by the patent office on 1990-01-30 for compass clinometer. This patent grant is currently assigned to Oy Masters Instruments Ltd.. Invention is credited to Raimo Raitmaa.
United States Patent | D305,739 |
Raitmaa | January 30, 1990 |
Inventors: | Raitmaa; Raimo (Kauniainen, FI) |
---|---|
Assignee: | Oy Masters Instruments Ltd.
(FI) |
Appl. No.: | 07/023,294 |
Filed: | March 9, 1987 |
Sep 16, 1986 [FI] | 919/86 | |||
Current U.S. Class: | D10/68 |
Field of Search: | ;D10/46,53,62,65,68,85 ;33/272,352,354,355,355R,366,391 |
D160766 | November 1950 | Booth |
D283682 | May 1986 | Raitmaa |
D283683 | May 1986 | Raitmaa |
2482504 | September 1949 | Pennington |
4438568 | March 1984 | Kramer |
0090828 | Sep 1937 | SE | |||
0212230 | Nov 1940 | CH | |||
Overseas Associated, Inc. Flyer. . New Equipment Digest, Jan. 1985, p. 71. . Design News, 2/3/1986, p. 148. . Mitchell Instrument Co. catalog.. |
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