Some consolidation notes:
First Lowell ratchet patent (Moore): 45,334 (Dec 6, 1864) - Example: hank buck, post #10, No. 1, 10" long, direction selector at head, one screw in face plate
Second Lowell ratchet patent (Sinclair): 349,007 (Sep 14, 1886) - Example: Pvt Lugnutz, post #12, No. 1, 5/8-inch square drive, 11" long, direction selector at end of handle, two screws in face plate
Third Lowell ratchet patent (Sinclair): 743,942 (Nov 10, 1903) -
No Examples on this thread
Fourth Lowell ratchet patent (Sinclair): 1,177,764 (Apr 4, 1916) - Examples: woody, linked in post #2, No. 21, 8" long, selector at end of handle, two screws in face plate; and RagTop, post #19, No. 1, 12" long, selector at end of handle, two screws in face plate - patent has not been seen on ratchet without patent 2,003,348
Fifth Lowell ratchet patent (Dodge): 1,798,194 (Mar 3, 1931) - Example: wrenchguy, post #13, No. 2-1/2, 48" long, selector switch at head, one screw in face plate
Sixth Lowell ratchet patent (Dodge): 2,003,348 (Jun 4, 1935) - Examples: see Fourth Lowell ratchet, patent has not been seen on ratchet without patent 1,177,764
DATAMP has all of these, but not all in once place. You can start
here, gotta hunt and peck for the others.
Ratchets without patents
Rileysan, post #11, No. 22, 5/8-inch square drive, 10" long, two screws in face plate, selector at end of handle
Sam'sAutoParts, post #1, No. 1, has a provision for a pinned extension handle, one screw in face plate, selector at head
DadsTools, No. 50, post #17, 10" long, round through-hole, one screw in face plate, selector at head
Jabberwoki, No. 56, post #20, 38-1/2" long, 3-1/2-inch through socket, selector at head