| Patents for none listed |
Patents 976 -
990
of 3327
      |
| Number | Date | Patentee | Title | Type |
| 1,657,411 | Jan. 24, 1928 | A. Scherbius | Ciphering Machine | encryption machines |
| 1,657,978 | Jan. 31, 1928 | H. St. Pierre | Chain Pliers | chain |
| 1,658,890 | Feb. 14, 1928 | T.M. Foss | Wrench | pipe wrenches |
| 1,658,995 | Feb. 14, 1928 | J.N. Macdonald | Tire Chain Tool | chain |
| 1,659,015 | Feb. 14, 1928 | J.S. Breed | Lineman's Wrench | wrenches |
| 1,659,081 | Feb. 14, 1928 | R.B. Morris, F.J. Carnelli | Wrench | chain and strap wrenches |
| 1,659,915 | Feb. 21, 1928 | A. Hilfiker | Caliper Attachments | measurement gauges |
| 1,660,335 | Feb. 28, 1928 | C.G. Johnson | Snap Thread Gage | special purpose gauges |
| 1,660,502 | Feb. 28, 1928 | J.E. Gleason, G.H. Bryan, E. Finsen, A.P. Slade | Method and apparatus for making gears | gear making machines |
| 1,661,016 | Feb. 28, 1928 | W.J. Smith | Hydraulic Operating Means | metal shapers |
| CH-124,827 | Mar. 01, 1928 | n. listed | Method and Device for Controlling Internal Combustion Engines in Which Fuel Gas Mixture Is Introduced into the Compressed Combustion Air | fuel systems |
| 1,662,002 | Mar. 06, 1928 | J.H. Dowd | Wrench | pipe wrenches |
| CA-278,521 | Mar. 13, 1928 | J.F. Wheeler | OUTIL-COMBINAISON | combination tools |
| 1,662,109 | Mar. 13, 1928 | E.R. Fellows | High Speed Gear Generating Machine | gear making machines |
| 1,662,313 | Mar. 13, 1928 | E. Henrikson | Pipe-Coupling Tapping Machine | tapping machines |
