Confirming that Bosch holds no patents on the Stepped Armature Starter Motor.
| Identifier | ExFiles\Box 62\1\ scan0117 | |
| Date | 3rd February 1933 | |
| E. {Mr Elliott - Chief Engineer} WST X6134 BY {R.W. Bailey - Chief Engineer} /NW {N. Walker - Patents} 2/MB3.2.33. c. Hs {Lord Ernest Hives - Chair} /Wst. BY {R.W. Bailey - Chief Engineer} /RD. STEPPED ARMATURE STARTER MOTOR. Referring to your E3/HP.13.1.33, we find that Bosch hold no patents on the above. BY {R.W. Bailey - Chief Engineer} /N.W. | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).