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DE1003088B
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Filler pencil with display device for the type of lead
|
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GB770141A
|
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Improvements relating to mechanical pencils
|
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GB623759A
|
|
Improvements in pencils
|
|
US2473149A
|
|
Mechanical pencil with step-by-steplead feeding means
|
|
US2393251A
|
|
Fountain pen
|
|
US2393250A
|
|
Fountain pen
|
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US2396919A
|
|
Fountain pen
|
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US2380763A
|
|
Feed for fountain pens
|
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US2365880A
|
|
Mechanical pencil
|
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US2349553A
|
|
Mechanical pencil
|
|
US2239526A
|
|
Reversible eraser tip
|
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US2241203A
|
|
Apparatus for making pencil leads
|
|
US2110551A
|
|
Mechanical pencil
|
|
GB433995A
|
|
Improvements in or relating to pencils and methods of making the same
|
|
US1985894A
|
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Lead pencil and method of making same
|
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US1970603A
|
|
Pencil lead and method of making same
|
|
US1836143A
|
|
Mechanical lead pencil
|
|
US1798050A
|
|
Automatic telephone-dial-operating pencil attachment
|
|
US1783997A
|
|
Apparatus for the manufacture of pencils
|
|
US1849529A
|
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Process and apparatus for striping articles
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