GB477970A
(enrdf_load_stackoverflow )
1900-01-01
US2006485A
(en )
1935-07-02
Calendar
US531060A
(en )
1894-12-18
Astronomical chart
GB190003842A
(en )
1900-04-28
Improvements in Calendars and Date Calculators.
GB570489A
(enrdf_load_stackoverflow )
GB698886A
(enrdf_load_stackoverflow )
GB740926A
(enrdf_load_stackoverflow )
1900-01-01
GB191123510A
(en )
1912-02-22
Improvements in Calendar Blocks.
GB190313049A
(en )
1904-04-28
Improvements in or relating to Perpetual Calendars and Date Reckoners.
GB189812787A
(en )
1898-12-31
A Reference and Perpetual Calendar.
GB190900137A
(en )
1909-06-24
Improvements in Calendar Frames and Cards.
GB137913A
(enrdf_load_stackoverflow )
GB609421A
(enrdf_load_stackoverflow )
Achelis
1941
The Time is Now
GB716014A
(en )
1954-09-22
Revolving disc and pointer perpetual calendar
RANKINE et al.
1927
TG HODGKINSON, AMIEE 3. 4.
DE429121C
(de )
1926-05-18
Dauerkalender
Piland et al.
2020
Who Writes for The JARCC?
GB190603739A
(en )
1906-05-03
Improvements in Perpetual Calendars.
DE415813C
(de )
1925-06-30
Ewiger Tageskalender
GB190926143A
(en )
1910-05-26
Improvements in Perpetual Calendars.
GB624660A
(enrdf_load_stackoverflow )
GB620059A
(enrdf_load_stackoverflow )
GB364840A
(enrdf_load_stackoverflow )
CA3064924A1
(en )
2021-06-12
Global calendar