Patents for Francis A. Perkins |
Patents 1 -
4
of 4
|
Number | Date | Patentee | Title | Type |
GB-364,034 | Dec. 28, 1931 | F.A. Perkins | Improvements in the Road Wheels of Road Rollers | road rollers |
GB-364,168 | Jan. 04, 1932 | F.A. Perkins | A Variable Speed Drive for Road Rollers, Tractors and the Like | road rollers |
GB-365,180 | Jan. 18, 1932 | F.A. Perkins | Improvements in Road Rollers | 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 | internal combustion engine lubrication |