IP Library › Granted Patent US 520,838
Granted Patent S1
US 520,838 · App. 29/230,805 · Granted May 16, 2006

Portable electric hammer drill

Assignee: Hitachi Koki Co., Ltd.
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Quick Facts
Patent No.
US 520,838
App. No.
29/230,805
Granted
May 16, 2006
Kind
S1
Claims (1)

The ornamental design for a portable electric hammer drill, as shown.

Assignments (2)
CHANGE OF NAME Recorded Jul 26, 2018
From: HITACHI KOKI KABUSHIKI KAISHA
To: KOKI HOLDINGS CO., LTD.
Reel/Frame 047270/0107 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 27, 2005
From: OKADA, MASANORI; SAKAI, MASATO; SUZUKI, YOSHITAKA; TANIGUCHI, TAKESHI; HAGA, HIROSHI; SUZUKI, KAZUHIRO
To: HITACHI KOKI CO., LTD.
Reel/Frame 016615/0624 →
Priority Claims (1)
JP 2004-036615 · Nov 30, 2004 · national