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| Number | Title | Issue Date |
| 4085525 | Shoe support A lightweight shoe heel of low visibility comprising a support member for contact with the ground and a further support member attached to the shoe, the support members being interconnected by a plurality of columns of high tensile strength material.... | 04/25/1978 |
| 4019030 | Step-counting shoe A device for the recording of the number of steps taken by a pedestrian incorporates a digital incremental counter in the heel -- or attached to the heel -- of a shoe. An operating member projects below the heel and initiates actuation of the counter each... | 04/19/1977 |
| 4014115 | Decorator heel/shoe combination Shoe and heel structure features a combination of functions including heel removability and decoration, utilizing a sliding, removably mating engagement of the heel with the shoe and means for effecting continuous or intermittent light emission within the... | 03/29/1977 |
