| Patents for Joseph Jewsbury |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| GB-400,724 | Nov. 02, 1933 | J. Jewsbury | Improvements relating to gear pumps | hydraulic apparatus |
| GB-410,580 | May 24, 1934 | J. Jewsbury | Improvements relating to actuating mechanism for variable speed gears | metalworking machine gearing |
| GB-414,468 | Aug. 09, 1934 | J. Jewsbury | Improvements relating to clutches | metalworking power transmission |
| GB-436,810 | Oct. 18, 1935 | J. Jewsbury | Improvements relating to radial arm drilling machines | radial drill presses |
| GB-451,526 | Aug. 07, 1936 | J. Jewsbury | Improvements relating to the lubrication of vertical machinery spindles | metalworking machine lubrication |
| GB-457,517 | Nov. 30, 1936 | B.L. Pierce, J. Jewsbury | Improvements relating to screw tapping machines | metal threading machines |
| GB-492,208 | Sep. 16, 1938 | J. Jewsbury | Improvements relating to radial arm drilling machines | radial drill presses |
| GB-515,599 | Dec. 08, 1939 | J. Jewsbury | Improvements relating to radial-arm drilling machines | radial drill presses |
