| Last Name, First Name | Notes | Full Names | Companies |
|---|---|---|---|
| Reston, Thomas | Thomas Reston | Westclox | |
| Rippey, John | Witness on a Stahlberg patent | John D. Rippey | |
| Ritter, Jno. | John M. Ritter | Westclox | |
| Ritz, Oscar | Witness on a Stahlberg patent. | Oscar Ritz | |
| Rogers, Edward | Witness to a Stahlberg patent. | Edward H. Rogers | |
| Roiné, Jules | Jules E. Roiné | Westclox | |
| Roth, Ernst | Ernst Georg Roth Ernst G. Roth | Westclox | |
| Ryburn, Paul | Akron, OH | Paul W. Ryburn | Westclox |
| Samson, C. L. | C. L. Samson | Westclox | |
| Schierholtz, Henry | Henry August Schierholtz | Westclox | |
| Schlenker, Max | Max E. Schlenker | Westclox | |
| Senftleben, Otto | Otto J. Senftleben | Westclox | |
| Sewrey, Ursen | Ursen R. Sewrey | Westclox | |
| Smith, E. D. | Witness to a Stahlberg patent. | ||
| Spengel, C. | C. Spengel | Westclox | |
| Stahlberg, Charles | Inventor of the "Westclox process." | Charles Stahlberg | Westclox |
| Steinmeier, Joseph | Joseph E. Steinmeier | Westclox | |
| Stephenson, Paul | I'm guessing that his work, such as the striking mechanism in patent 2.038,965 was used by Seth Thomas rather than Westclox. | Paul A. Stephenson | Seth Thomas |
| Stewart, Alex | Witness on Stahlberg patent | Alex F. Stewart | |
| Stewart, Frank | Frank Stewart | Stockham Manufacturing Company | |
| Stewart, L. J. | L. J. Stewart | Westclox | |
| Sweeney, John | John M. Sweeney | Westclox | |
| Szalek, Roman | Roman J. Szalek | Westclox | |
| Talbot, Harrie | Harrie F. Talbot | Westclox | |
| Thompson, George | Witness on a Stahlberg patent | George N. Thompson | |
| Thompson, William | W William W. Thompson | Golden Novelty Mfg. Co. | |
| Tisseyre, Louis | Of Paris, France; assignor to George P. Cowles, Waterbury Connecticut. | Louis Tisseyre | Westclox |
| Truman, Percival | Percival H. Truman | Westclox | |
| Utz, Edward | Edward G. Utz | Westclox | |
| Wagner, Henry | Henry J. Wagner | Westclox |
