| 1938 BRENNAN Design Bookmark Holder Clip Patent 39709 |
| 1916 BRENNAN Toy Rolling Hoop Design Patent 10685 |
| 1938 BRENNAN JOHN Spraying Device Patent Print |
| 1956 ANDREW BRENNAN Peg And Ring Toy Patent |
| 1928 BRENNAN CLARK Railway Car Brake Patent |
| 1933 BRENNAN Ornamental Design Cross Patent 39514 |
| 1958 BRENNAN Ready Racks For Shells Patent Print |
| 1943 BRENNAN Design Rosary Plaque Patent 39838 |
| 1950 BRENNAN THOMAS Buffer Patent Print Art |
| 1946 JOSEPH B BRENNAN Compensating Device Patent |
| 1926 BRENNAN Sign Holder For Automobiles Patent |
| 1942 BRENNAN Sacramental Receptacle Patent 13262 |
| 1968 BRENNAN WENDELL Reinforced Girdle Patent |
| 1932 BRENNAN JOHN Hobbyhorse Patent Print Art |
| 1935 PATRICK BRENNAN Railway Device Patent Print |
| 1949 BRENNAN Buffer For Railway Cars Patent |
| 1905 BRENNAN Vehicle Imparting Stability Patent 50015 |
| 1958 BRENNAN Log Loading Attachment Patent Print |
| 1872 BRENNAN Steam Boiler Pipe Coupler Patent 7838 |
| 1943 BRENNAN Design Religious Plaque Patent 39837 |