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US2525839A
(en)
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Variable-speed electric drill
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PL38614B3
(ja)
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|
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JPS62274194A
(ja)
|
|
カメラ用雲台の平衡装置
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US1032401A
(en)
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Pen or pencil holder.
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US445380A
(en)
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Scratch-awl |
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US3142743A
(en)
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Momentary actuator for precision snap switch
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US3131933A
(en)
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Cue stick chalking device
|
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US1336380A
(en)
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|
Portable hygroscope
|
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US1504417A
(en)
|
|
Rope and wire reel apparatus
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SE468125B
(sv)
|
|
Bromsaktuator foer ett raelsfordon med en bromsblockhaallare
|
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US6200050B1
(en)
|
|
Automatic bounce device for a center stick in a pen
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US1201209A
(en)
|
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Instrument for drawing circles.
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US2988974A
(en)
|
|
Control devices for optical objectives of variable focal length
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US920718A
(en)
|
|
Level.
|
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US3365155A
(en)
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Portable projection screen assembly
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US766182A
(en)
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Clipping or grooming machine.
|
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US1332091A
(en)
|
|
Pencil-pointer
|
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US2649074A
(en)
|
|
Pen construction
|
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US267290A
(en)
|
|
Oliver d |
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US1036787A
(en)
|
|
Beam-scale.
|
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US453073A
(en)
|
|
Tension-regulator for twine-bobbins |
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US2703824A
(en)
|
|
Telephone handset support
|
|
US304614A
(en)
|
|
Mechanical movement |
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US2587086A
(en)
|
|
List mounting
|
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US116833A
(en)
|
|
Improvement in carpet-sweepers |