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| Patents for Francis A. Perkins | |||||
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| Picture | Number | Date | Patentee | Title | |
| GB-364,034 | Dec. 28, 1931 | F.A. Perkins | Improvements in the Road Wheels of Road Rollers | ||
| GB-364,168 | Jan. 04, 1932 | F.A. Perkins | A Variable Speed Drive for Road Rollers, Tractors and the Like | ||
| GB-365,180 | Jan. 18, 1932 | F.A. Perkins | Improvements in Road Rollers | ||
| GB-369,280 | Mar. 18, 1932 | F.A. Perkins | Improvements in or Relating to Safety Devices for Internal Combustion Engines Having Forced Feed Lubrication | ||