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71.Pencil holder with means to rotate the pencil with respect to the holder incident to use thereof 失效
Title translation: 具有相对于持有人旋转铅笔的手段的铅笔座,以便使用它公开(公告)号:US2480740A
公开(公告)日:1949-08-30
申请号:US73998847
申请日:1947-04-08
Applicant: IBM
Inventor: JOHNSON REYNOLD B
IPC: B43K23/00
CPC classification number: B43K23/00
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公开(公告)号:US2478274A
公开(公告)日:1949-08-09
申请号:US58325245
申请日:1945-03-17
Applicant: IBM
Inventor: JOHNSON REYNOLD B
CPC classification number: H05K7/06 , H05K1/0287
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公开(公告)号:US2412340A
公开(公告)日:1946-12-10
申请号:US55316844
申请日:1944-09-08
Applicant: IBM
Inventor: JOHNSON REYNOLD B
IPC: F41G3/26
CPC classification number: F41G3/2627
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公开(公告)号:US2355299A
公开(公告)日:1944-08-08
申请号:US43039542
申请日:1942-02-11
Applicant: IBM
Inventor: JOHNSON REYNOLD B
IPC: G06K13/08
CPC classification number: G06K13/0843
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公开(公告)号:US2343414A
公开(公告)日:1944-03-07
申请号:US47689543
申请日:1943-02-24
Applicant: IBM
Inventor: JOHNSON REYNOLD B
CPC classification number: G05B19/237
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公开(公告)号:US2272411A
公开(公告)日:1942-02-10
申请号:US36465440
申请日:1940-11-07
Applicant: IBM
Inventor: JOHNSON REYNOLD B
IPC: G06K17/00
CPC classification number: G06K17/0032
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