Unknown Manufacturer - UM01: Patent 49405 Backstamp

This backstamp consists of the inscriptions RD NO 636775, MADE IN ENGLAND, and U.S.A. PATENT NO 49405, in a circle.

I researched the U.S.A. Patent Number at the U.S. Patent and Trademark Office and I managed to find it.
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Known Types Matrix
Colour/Pattern	Size	Images (click to enlarge)	Sources
Ivory	Single		BB
Pink	Single		EA
Bright yellow	Single		EA
Pale yellow	Single		BB
Pale / Light green	Single		EA
Green (Mid-green, not light or dark)	Single		AC-11
Dark green	Double	Colour example:	BB
Pale Green	Single		BB
Pale / Light blue	Single		BB
Blue (Mid-blue, not light or dark)	Single		BB
Dark blue	Single		BB
Brown	Single		BB
A gentleman on horseback, with a red lifting ring.	Single		BB
A set of four coddlers, depicting a gentleman on horseback jumping a fence, being thrown from the horse, chasing the horse, and recovering his seat. These may be related-to, or part of a series that includes the previous gentleman on horseback, although they were not sold together. These also have the red lifting ring.	Single		EA
Hand-painted flowers and a maroon lifting ring.	Single		BB
Recipe for Coddling Eggs - in Blue.	Single		BB
Recipe for Coddling Eggs - in Black.	Single		BB
Ruffed Grouse (coddlers are known to have at least two different views of the grouse).	Single		BB