Key Set Patents (Class 235/60R)
By means other than printing or punching (Class 235/60.11)
Combined with typewriter (Class 235/60.12)
Multiple recording means (Class 235/60.13)
Distinctive color (Class 235/60.19)
Non-numerical data (Class 235/60.15)
True negative total recording (Class 235/60.2)
With split printing (Class 235/60.23)
With extended totals (Class 235/60.24)
Non-recording controls (Class 235/60.25)
Non-add controls (Class 235/60.26)
Gang recording (Class 235/60.27)
Digit by digit recording (Class 235/60.38)
With traveling paper carriage (Class 235/60.41)
Dalton (Class 235/60D)
Ellis (Class 235/60E)
Gardner (Class 235/60G)
Hopkin (Class 235/60HP)
Multiple totalizers (Class 235/60MT)
Multiplying (Class 235/60M)
Pay roll (Class 235/60PY)
Split (Class 235/60S)
Sundstrand (Class 235/60SS)
Ten key (Class 235/60TK)
Item counting (Class 235/60C)
True negative (Class 235/60TN)
Hanson (Class 235/60HN)
Print (Class 235/60P)
Automatic total print (Class 235/60AP)
Typewriter (Class 235/60TW)
Burroughs (Class 235/60B)
Crank (Class 235/60CK)

There are no patents to show for this class.