| 1937 MARTIN Apertures Drafting Instruments Patent 43282 |
| 1945 KRITSKE Drafting Board Design MURPHY Patent 41324 |
| 1980 DENSLOW Logic Drafting Template Patent 42581 |
| 1943 GILNER Design Drafting Instrument Patent 44900 |
| 1979 MIKULIN Universal Compass Drafting Patent 26502 |
| 1945 WHITE Design Multiple Drafting Tool Patent 44804 |
| 1986 PAPSDORF Circle Drafting Template PTL Patent 42522 |
| 1900 ROSENBLOOM Tailors Drafting Chart Patent 12253 |
| 1942 CARR Design Drafting Implement Patent 30381 |
| 1947 MUSGRAVE Design Drafting Implement Patent 44776 |
| 1942 TRUHON Design Drafting Instrument Patent 44911 |
| 1919 SLOSSON Drafting Instrument CORNELL Patent 30198 |
| 1951 CAMPBELL Design Drafting Instrument Patent 44694 |
| 1975 MELNIK Ruler Beam Drafting Instrument Patent 26486 |
| 1896 TAPPAN Drafting Instrument EGGLESTON Patent 30140 |
| 1941 BLAZEY Design Drafting Machine ESSER Patent 44970 |
| 1935 KEYES Art Drawings Drafting Tool Patent 43340 |
| 1943 EUBANKS Drafting Machine VAUGHAN Patent 44903 |
| 1980 VEACH Broken Line Drafting Templates Patent 26508 |
| 1965 EASON Drafting Compass Ornamentation Patent 26380 |
| 1974 HOAGLAND Drafting Instrument Design Patent 42666 |