Portable cordless hammer

Details Portable cordless hammer Portable cordless hammer

1990-10-19

1993-03-09

Douglas, Alan P.

Tools and hardware

Other tools and implements

With relative movement of parts while performing function

Patent

active

D03337677

REFERENCES:
patent: D243742 (1977-03-01), House, II et al.
patent: D323961 (1992-02-01), Fushiya et al.
patent: 3602318 (1971-08-01), Slany
patent: 3837409 (1974-09-01), Consoli et al.
patent: 3998278 (1976-12-01), Stiltz et al.
patent: 4442906 (1984-04-01), Simpson
patent: 4750567 (1988-06-01), Grossmann et al.
patent: 4763733 (1988-08-01), Neumaier
patent: 4930583 (1990-06-01), Fushiya et al.
Reference "A" page from a brochure of the Matsushita Corporation's brochure on a Battery Powered Hammer Drill, Models EZ6810BK and EZ6801BK.
Reference "B" page from the Bosch Corporation's brochure on a Hammer Drill, Models GBH12VRE and GBH24VRE.

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