Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent
1991-10-15
1993-09-14
Douglas, Alan P.
Tools and hardware
Other tools and implements
With relative movement of parts while performing function
D 8 69
Patent
active
D03392767
REFERENCES:
patent: D282625 (1986-02-01), Schultz et al.
patent: D287930 (1987-01-01), Somers
patent: D295945 (1988-05-01), Sakamoto et al.
patent: D297401 (1988-08-01), Clowers
patent: D329005 (1992-09-01), Hoshino et al.
Catalog sheet of Hitachi 7" portable electric jigsaw, published by Hitachi Koki, Japan, NLT Apr. 30, 1990.
Catalog sheet of Bosch PST 52A portable electric jigsaw, published NLT Dec. 31, 1990 in Germany.
Catalog sheet of Black & Decker BD 547E portable electric jigsaw, Black & Decker Corp., USA, published at least as early as Dec. 31, 1990.
Matsuoka Takeshi
Ohzeki Kazuhide
Douglas Alan P.
Hitachi Koki Co,. Ltd.
Musgrove J. H.
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