| 1937 AGGE VARLEY Alarm Clock Device Patent Print |
| 1938 DONALD SANDS Alarm Device Patent Print Art |
| 1961 DIXON LINA Fish Alarm Device Patent Print |
| 1931 DAGGETT Alarm Sounding Device Patent Print |
| 1965 ALBINGER Bell Alarm Damping Device Patent |
| 1928 MARIUS GREENE Theft Alarm Device Patent |
| 1941 BAILEY Alarm Clock Contact Device Patent |
| 1926 DE MARTI Alarm Device Patent Print Art |
| 1928 SCHULTZ JOSEPH Alarm Device Patent Print |
| 1957 PARKER Anchor Alarm Device Patent Print Art |
| 1930 SCOTT Electric Alarm Device Patent Print |
| 1960 ALBERT Acoustic Alarm Device Patent Print |
| 1940 MACPHERSON BENJAMIN Alarm Device Patent |
| 1946 GORTON Alarm Device For Automobiles Patent |
| 1925 HALLBERG CLAUS Alarm Device Patent Print |
| 1930 EMIL BAHR Alarm Device Patent Print Art |
| 1957 MESSICK WILLARD Fire Alarm Device Patent |
| 1922 FRITZ Alarm Device For Locomotives Patent |
| 1945 AGNE Acoustic Alarm Device Patent Print Art |
| 1951 LEESE CHARLES Hotbox Alarm Device Patent |
| 1925 BUELL Alarm Or Signal Device Patent Print |
| 1942 FREDERICK Alarm Timing Device Patent Print |
| 1933 BALTSOIS Alarm Device For Clocks Patent |
| 1931 THOMAS H BROWN Alarm Sounding Device Patent |
| 1960 WEAVER Fishing Alarm Device Patent Print |
| 1953 FRYE BUNYAN Program Alarm Device Patent |
| 1957 ZEGAROWITZ Personal Alarm Device Patent |
| 1924 ALEXANDER DAVID Alarm Device Patent Print |
| 1953 COLLINS MASON Alarm Device Patent Print Art |
| 1939 BALDWIN GRIFFIN Alarm Device Patent Print |
| 1925 HANS HEYNE Alarm Device Patent Print Art |
| 1943 JOSEPH LYSKA Alarm Device Patent Print Art |
| 1957 FYR LARM CO INC Fire Alarm Device Patent |
| 1932 MYERS Electric Alarm Device Patent Print |
| 1949 LA PEDUS Alarm Device Patent Print Art |