| Patents Granted on 1871-03-?? |
Patents 1 -
15
of 84
      |
| Number | Date | Patentee | Title | Type |
| CA-808 | Mar. 02, 1871 | P. Hay | Improvement upon solid shaft coupling | industrial machine shaft couplings |
| CA-824 | Mar. 02, 1871 | S. Catudal | Improvements in tools for boring and countersinking | countersinks |
| CA-827 | Mar. 02, 1871 | J.A. Crossman | Crossman's Iron Drag Saw | drag saws |
| 112,311 | Mar. 07, 1871 | G. Atkinson | Improvement in Tools for Carriage-Makers' Use | knives and cutters |
| 112,355 | Mar. 07, 1871 | T.E. King | Improvement in miter-machines | miter boxes |
| 112,372 | Mar. 07, 1871 | J.H. Pardieck | Improvement in boring machines | drilling and boring |
| 112,379 | Mar. 07, 1871 | F.A. Pratt | Improvement in machines for shaping and cutting gear-cutters | |
| 112,400 | Mar. 07, 1871 | G.F. Weymouth | Improvements in hay-knives | |
| 112,419 | Mar. 07, 1871 | W. Cleveland | Bit-brace | braces |
| 112,444 | Mar. 07, 1871 | L. Gould | Improvement in tenoning-machines | tenoning machines |
| 112,502 | Mar. 07, 1871 | J.M. Seymour | Improvement in dovetailing-machines | dovetailing machines |
| 112,504 | Mar. 07, 1871 | G.W. Shipman | Improvement in guards for circular saws | woodworking machine safety guards |
| CA-830 | Mar. 08, 1871 | J. Findlay | Improvements on adjustable tool stock for lathes | metal lathe accessories and attachments |
| CA-834 | Mar. 08, 1871 | H. Collard | Improvement in the construction of harrows | harrows |
| CA-838 | Mar. 08, 1871 | W. Jackson, E.W. Colley | Improvements in machines for roasting coffee and malt | coffee roasters |
