Walt discusses the conflicts with Ithaca here
https://doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=60186&page=4E.E. Miller patent #1,725,663 was granted 8-20-29 and there were several thereafter.
1933 Patent
https://patents.google.com/patent/US1898255 There are however guns out there with early DOM but Miller triggers, of course possibly replacements
While we're at it
The Lard ST was introduced by Westley Richards in the fall of 1901 but it was not patented until 12-15-1903 #747,101 and introduced as the Hunter One-Trigger in 1904
J.A.R. Elliott patented a single trigger #737,531 May, 1902
The earliest Fulford ST ad I've seen is 1904 but his patents were #704,024 and #704,025 July 8,1902
https://patents.google.com/patent/GB190212677A/en The Philadelphia ST was introduced in 1906
The Infallible Lancaster Arms ST was patented in 1906
https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=59417&page=1It was offered on Ithaca guns from the factory at least by 1915
![[Linked Image from photos.smugmug.com]](https://photos.smugmug.com/US-Makers/Ithaca/i-CDCk74B/0/LGdPJ6GqnF6ntnt5SWv97kcswjq6sKMprqB5b3LxF/M/Infallible%201915-M.jpg)
Fox-Kautzky was 1914
The Lindsay ST, used by Baker Gun & Forging, was patented 4-2-1918 #1,261,414
Novotny ST 6-4-1918 #1,268,760
The Parker ST was first cataloged in 1923
I'm sure Dave has some more, and likely date corrections. He has a list of single triggers that Remington was considering c. 1900
https://doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=380279