| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines | |
| #3 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vandercook David D | 11 |
| #2 | Vandercook Edward O | 9 |
| #3 | Vandercook Frederick R | 3 |
| #4 | Vandercook Robert O | 3 |
| #5 | Vandercook Fred R | 2 |
| #6 | Vandercock Edward O | 1 |
| #7 | Geffken Otto C | 1 |
| #8 | John Peters | 1 |
| #9 | Vandercock Frederick R | 1 |
| #10 | Vandercock David D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2319961A | Proof press | |
| US2300715A | Multicolor proof press | |
| US2271750A | Proof press | |
| US2271745A | Proof press | |
| US2181714A | Printing press | |
| US2049636A | Printing press | |
| US1964488A | Proof press | |
| US1895501A | Proof press cylinder adjustment | |
| US1843255A | Proof press | |
| US1886923A | Work supporting attachment for proof presses | |
| US1779384A | Frisket frame for use in connection with printing presses | |
| US1866379A | Chase for printing presses | |
| US1789850A | Register-punch mechanism and like device |