| Number | Name | Date | Kind |
|---|---|---|---|
| 1919627 | Fitzgerald | Jul 1933 | |
| 3193287 | Robinson | Jul 1965 | |
| 3492582 | Heywood | Jan 1970 | |
| 3580083 | Zipser | May 1971 | |
| 3903613 | Bisberg | Sep 1975 | |
| 3973251 | Stephas | Aug 1976 | |
| 4274625 | Gaetano | Jun 1981 | |
| 4278095 | Lapeyre | Jul 1981 |
| Number | Date | Country |
|---|---|---|
| 2188 | Jun 1979 | EPX |
| 25888 | Jan 1903 | DE2 |
| 416105 | Sep 1934 | GBX |
| Entry |
|---|
| George Washington University "G W Times" May/Jun. 1974, p. 11, On the Treadmill. |
| Quinton Instruments, Seattle, Wash. 1974 Catalog Inside of Cover. Man Walking on Treadmill with Spacesuit. |
| Radio Hat, Edsujo, Inc. Seaford, N.Y. Popular Science, Nov. 1980, p. 116. |