GR6283B
(en )
1937-02-06
LETTER OR TELEGRAPH SYSTEM OR ANY DOCUMENT FOLDING IN CLOSED ENVELOPE AFTER BOOK BINDING (BLOCK).
DK48320C
(en )
1934-01-29
Envelope, Folder and similar Covers.
CA318359A
(en )
1931-12-29
Binding post for papers, forms, documents, etc.
CA255066A
(en )
1925-11-03
Loose leaf album for photographs and post cards
GB260113A
(en )
1926-10-28
Improvements in letter files
ES125742A2
(en )
1932-04-16
A filing folder, which can also be used as a changeable sheet book.
FR37766E
(en )
1931-01-17
Improvement in notebooks, binders, etc.
FR673599A
(en )
1930-01-16
Improvement in notebooks, binders, etc.
ES4690Y
(en )
1938-06-16
Visible file book.
DK45016C
(en )
1931-12-21
Folder for Documents and the like.
ES4255Y
(en )
1936-07-01
Binder folder and page support.
CA286630A
(en )
1929-01-22
Card or letter sorting device
FR722926A
(en )
1932-03-30
Album for photographs, postcards and other documents
CA251744A
(en )
1925-07-14
Letter file
ES125105A3
(en )
1932-02-01
Improvements in postcards.
ES4326Y
(en )
1936-08-01
Visible file book.
FR830374A
(en )
1938-07-28
Book for advertising, with mechanically turning pages
ES113982A1
(en )
1929-08-16
Perfections in newspapers, brochures and other publications.
DK40578C
(en )
1929-08-05
Folder for Storing Letters and Printed matter.
ES146345A1
(en )
1941-04-01
Filing and document filing device and document perforator.
ES127894A3
(en )
1932-11-01
An improvement in mechanisms for letter and loose-leaf filing cabinets in general.
DK48984C
(en )
1934-07-09
Character and card attachment device for signs, files and the like.
CA293880A
(en )
1929-10-08
Apparatus for sorting papers, film foils, etc.
ES1308Y
(en )
1933-05-16
Classifier or filing file.
ES93277A1
(en )
1925-06-16
Loose-leaf book.