Education and demonstration – Language – Writing or printing by hand
Patent
1987-10-05
1989-07-11
Grieb, William H.
Education and demonstration
Language
Writing or printing by hand
401 8, G09B 1102
Patent
active
048467103
ABSTRACT:
Apparatus for attachment to a pen or pencil to aid a student of penmanship and to assist that student in leaning the proper position of the student's fingers on an associated pen or pencil which includes a sleeve dimensioned and configured for engaging the forefinger and apparatus for securing the sleeve to the associated pen or pencil.
REFERENCES:
patent: 343391 (1886-06-01), Peiter
patent: 629436 (1899-07-01), Faust
patent: 836652 (1906-11-01), Rosdahl
patent: 974887 (1910-11-01), Huddle
patent: 1094888 (1914-04-01), Ehrle
patent: 1125405 (1915-01-01), Seabaugh
patent: 1861241 (1932-05-01), Putnam
patent: 1879456 (1932-09-01), Parsons
patent: 3947977 (1976-04-01), Bishop
Grieb William H.
Smith Robert S.
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