Patents per Year
Top Inventors at Casket Shells, Incorporated All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Joseph R. Semon | 8 |
| 2 | William T. MacKirdy | 7 |
| 3 | William J. Semon | 2 |
| #4 | Lawrence J. Bonczar | 1 |
| #4 | Helen Ceresko | 1 |
| #4 | Joseph F. Semon | 1 |
| #4 | Paul W. McCombs | 1 |
| #4 | William I. Mackirdy | 1 |