| 1932 ELDRED Reservoir For Organs Patent Print |
| 1920 REED Swell Box For Pipe Organs Patent Print |
| 1941 GRANT Air Valve Unit For Pipe Organs Patent |
| 1928 TEETOR Microtuner For Pipe Organs Patent |
| 1930 ROY Valve Action For Pipe Organs Patent |
| 1920 DEPUE Combination Action For Organs Patent |
| 1928 WATERS Valve Action For Pipe Organs Patent |
| 1879 TREAT Pneumatic Action For Organs Patent 9648 |
| 1939 DAVID MARR Magnet For Organs Patent Print |
| 1962 LO Key Arrangements For Chord Organs Patent |
| 1921 DEPUE Key Coupler For Organs Patent Print |
| 1928 HASKELL Stop Action For Organs Patent Print |
| 1930 FLAHERTY Air Valve For Pipe Organs Patent |
| 1935 HENRY Swell Louver Action For Organs Patent |
| 1930 WATERS Valve Action For Pipe Organs Patent |
| 1922 TILL Tremolo Action For Organs Patent Print |
| 1931 CLARK Self Player For Pipe Organs Patent |
| 1932 ELDRED Action For Pipe Organs Patent Print |
| 1965 KLANN Pedal Board For Organs Patent Print |
| 1930 DEVERALL Sostenuto Device For Organs Patent |
| 1959 GETZ Pedal Extensions For Organs Patent |
| 1952 KENT Combination Setter For Organs Patent |
| 1934 WICK Balanced Valve For Pipe Organs Patent |
| 1951 ZUCK Pickup For Electric Organs Patent |