IP Library › Granted Patent US 799,929
Granted Patent S1
US 799,929 · App. 29/575,082 · Granted Oct 17, 2017

Portable electric hammer drill

Inventors: Yoshiki Aoki (Hitachinaka, JP); Shinichi Kakefuda (Hitachinaka, JP); Rui Akiba (Hitachinaka, JE); Hideki Yamada (Hitachinaka, JP)
Assignee: Hitachi Koki Co., Ltd.
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Quick Facts
Patent No.
US 799,929
App. No.
29/575,082
Granted
Oct 17, 2017
Kind
S1
Claims (1)

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

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 Oct 17, 2016
From: AOKI, YOSHIKI; KAKEFUDA, SHINICHI; AKIBA, RUI; YAMADA, HIDEKI
To: HITACHI KOKI CO., LTD.
Reel/Frame 040030/0637 →
Priority Claims (1)
JP 2016-003713 · Feb 22, 2016 · national