Well, my turn to join the club. Here are my 4" or less.
Column 1
1- L.S. Starrett 4" Square
2- Whitman and Barnes Hercules Monkey
3- S & T Co Bicycle? Wrench
4- King dick Bicycle Wrench
5- 4" Shaw's Propeller Wrench
Column 2
1-Mossberg No 232 DOE
2-Mossberg No 210 DOE
3-113 - (one from my Orphanage)
4- Unknown ( Another from Orphanage)
5- Austin Doe
6-Patented Saw handle (Patent 194659 Aug. 28, 1877 by H. Disston and J.H. Vandegrift)
I will add more as time is available.