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PATENT INFORMATION
Appl. No.: 105931
Filed: June 27, 1998
Current U.S. Class: 56/400.17; 56/400.01; 56/400.21; 172/371
Intern'l Class: A01D 007/00; A01B 001/00
Field of Search: 56/400.01,400.17,400.19,400.21 172/371,378
REFERENCES CITED
U.S. Patent Documents
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- 1970616 Aug., 1934 Montan 56/400.
- 2075220 Mar., 1937 Neuhausen 56/400.
- 2095693 Oct., 1937 Fuller 56/400.
- 2119165 May., 1938 Hornstein 172/378.
- 2156480 May., 1939 Owen 56/400.
- 2302541 Nov., 1942 Fuller 56/400.
- 2490710 Dec., 1949 Rugg 56/400.
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- 5522209 Jun., 1996 Petruzzelli 56/400.
Foreign Patent Documents
- 123728 Mar., 1947 AU 56/400.
- 957778 Aug., 1949 FR 56/400.
- 816168 Oct., 1951 DE 56/400.
- 56764 Jun., 1936 NO 56/400.
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