| Digest Nr | Subject and Author |
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| 2025.09.07.01 | Seek Regina Style 35 Door Lock, from Steve Greatrex |
| 2023.10.28.01 | Seek Cabinet Lock for Regina Changer, from Bill Wineburgh |
| 2023.10.20.01 | Seek Cabinet Lock for Regina Changer, from Alan Recce |
| 2022.09.27.03 | Lock and Cancel System Uses Pouch Valve, from Don Teach |
| 2022.09.26.03 | Lock and Cancel System Uses Pouch Valve, from John Wolbach |
| 2022.09.24.01 | Lock and Cancel System Uses Pouch Valve, from Robbie Rhodes |
| 2020.01.20.04 | Seek Yale Cabinet Lock for Nelson-Wiggen, from Jim Quashnock |
| 2018.04.14.02 | Seek Lock & Cancel Valve Unit, from Kermit Hobbs |
| 2018.02.24.03 | Seek Mikado Polyphon Door Lock, from Steve Greatrex |
| 2016.05.20.02 | Wurlitzer I and IX Lock & Cancel System, from Don Teach |
| 2015.06.14.05 | Steck Pianola Key Lock, from Robert Weismantel |
| 2015.06.14.04 | Pianola Key Lock Inhibits Key Motion, from David Dewey |
| 2015.06.10.04 | Steck Pianola Key Lock, from Nicholas Simons |
| 2015.06.09.04 | Pianola Key Lock Inhibits Key Motion, from Barrie Land |
| 2015.06.08.02 | Pianola Key Lock Inhibits Key Motion, from Susan Hayes |
| 2013.05.05.03 | Lock and Cancel Units & Multiplex Systems, from Don Teach |
| 2012.05.27.01 | Seek Key for Stella Musical Box Lock, from Tommy Doizaki |
| 2012.05.24.07 | Key Lock Device in Upright Player Pianos, from Bernt Damm |
| 2011.11.03.02 | Seek Wurlitzer Style Lock & Cancel Shuttle Valves, from Ben Gottfried |
| 2011.01.08.05 | Ampico Lock & Cancel Priority, from Spencer Chase |
| 2011.01.07.05 | Ampico Lock & Cancel Priority, from Bill Chapman |
| 2010.07.08.04 | Keyboard Lock Device for Foster Player Piano, from Andy Taylor |
| 2010.07.08.03 | Keyboard Lock Device for Foster Player Piano, from Jay Merrill |
| 2010.07.07.03 | Seek Keyboard Lock Device for Foster Player Piano, from Ross Shirer |
| 2010.03.27.09 | Seek Front Door Lock Assembly for Seeburg K, from David Goodwin |
| 2009.03.24.07 | Seek Key for Hammond Player Organ Lid Lock, from Tony Maquet |
| 2008.12.28.03 | Seek Door Lock For Seeburg Nickelodeon, from Erick Johnson |
| 2004.07.12.18 | Key Lock Device in Upright Player Pianos, from Hal Davis |
| 2004.07.12.17 | Key Lock Device in Upright Player Pianos, from Nicholas Simons |
| 2004.07.12.16 | Key Lock Device in Upright Player Pianos, from Bing Gibbs |
| 2004.07.11.09 | Key Lock Device in Upright Player Pianos, from John A. Tuttle |
| 2004.06.30.03 | Use Mouse and "Scroll Lock" for Tempo Control, from Spencer Chase |
| 2004.02.25.07 | Lock & Cancel Register Control Devices, from Brian Smith |
| 2003.11.15.02 | WD40 Used To Lubricate Combination Lock, from Malcolm Cole |
| 2003.06.13.03 | Seek Key for Regina Lock, from Michael Pawelek |
| 2003.03.10.16 | Seek Lock Strike Plate for Seeburg E, from Stephen Kent Goodman |
| 1998.04.11.18 | Lock and Cancel Valves, from Dave Vincent |
| 1998.04.11.17 | Lock and Cancel Valves, from Fritz Gellerman |
| 1998.04.09.16 | Lock & Cancel Valves, from Fritz Gellerman |
| 1997.05.20.15 | Seek: Lock and Cancel Valves, from Larry Mayo |
| 1996.12.07.06 | Lock and Cancel Valve Design, from Matthew Caulfield |
| 1996.12.03.20 | Seeburg H Lock and Cancel Valve, from Rick Cooley |
| 1995.10.11.06 | Rebuilding Lock and Cancel Valves, from Larry Mayo |
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