| Patents for William Sellers & Co., Inc. |
Patents 31 -
45
of 49
      |
| Number | Date | Patentee | Title | Type |
| 1,380,699 | Jun. 07, 1921 | G.H. Benzon, Jr. | Planer | metal planers |
| 1,455,556 | May 15, 1923 | W.H. Thorne | Clamping Mechanism for Machine Tools | metal planers |
| 1,525,793 | Feb. 10, 1925 | G.H. Benzon, Jr. | Drive for Machine Tools | metalworking power transmission |
| 1,567,705 | Dec. 29, 1925 | J. Burt | Lathe | car wheel lathes |
| 1,629,712 | May 24, 1927 | S.L. Kneass | Injector | water injectors |
| 1,712,148 | May 07, 1929 | S.L. Kneass | Process of Continuosly Supplying Steam at Low Pressure to Injectors | water injectors |
| 1,810,747 | Jun. 16, 1931 | G.H. Benzon, Jr. | Differential Gear | metalworking power transmission |
| 1,835,842 | Dec. 08, 1931 | G.H. Benzon, Jr. | Feed Mechanism | metal planers |
| 1,948,725 | Feb. 27, 1934 | J.D. McClintock | Safey Connection | low water alarms |
| 2,112,896 | Apr. 05, 1938 | R.M. Husband | Apparatus for Cleaning Heat Exchangers and the Like | boiler repair tools |
| 2,114,911 | Apr. 19, 1938 | J. Burt | Antifriction Bearing Center for Boring Mills | vertical boring mills |
| 2,142,923 | Jan. 03, 1939 | R.P. Stocking | Drill grinding machine | drill grinders |
| 2,153,463 | Apr. 04, 1939 | C.L. Grover | Index Plate for Boring and Milling Machines | metalworking machine mechanisms |
| 2,176,682 | Oct. 17, 1939 | I.P. Pedrick | Method and Apparatus for Washing | industrial washing machines |
| 2,181,701 | Nov. 28, 1939 | H.E. Lingenbrink | Injector | water injectors |
