| 1941 ALBERT STARK Bowling Alley Scoreboard Art |
| 1941 SOL ROSS Bowling Ball Patent Print Art |
| 1941 CHRISTEY Bowling Ball Return Track Patent |
| 1941 ROTOBOWLING CORP Bowling Ball Rotating Projecting |
| 1941 BREITENSTEIN Bowling Apparatus Patent Print |
| 1941 R W HOOD Pin Resetting Unit Bowling Games |
| 1941 ENGLISH Cushion Bumper Bowling Alley Pits |
| 1941 H C EVANS INC Bowling Game Control Circuit |
| 1941 RUNDELL Pin Setting Bowling Alleys Art |
| 1941 FRANK SERPICO Bowling Ball Patent Print Art |
| 1941 CONSTANT ARTHUR Bowling Alley Patent Print |
| 1941 BRUNSWICK BALKE COLLENDER CO Bowling Ball |
| 1941 WHITTLE Bowling Ball Rotating Projecting |
| 1941 WILLIAM KINGS ALFONS BACON Bowling Game Art |
| 1941 COLLINS Bowling Game Control Circuit Patent |
| 1941 MORRISON Design Bowling Glove Patent 47343 |
| 1941 BANCROFT Ball Check Bowling Alleys Art |
| 1941 AMERICAN MACH FOUNDRY Pin Setting Bowling Alleys |
| 1941 KAUFMAN Bowling Pin Spotter Patent Print |
| 1941 CARL WEBER Bowling Game Patent Print Art |
| 1941 WARNER Pin Resetting Unit Bowling Games Art |
| 1941 WALTER Ball Return Bowling Games Art Print |
| 1941 L J KAUFMAN Bowling Pin Spotter Art Print |
| 1941 LEWIS ALFRED Bowling Alley Patent Print Art |
| 1941 RAYMOND T MOLONEY Bowling Apparatus Patent |
| 1941 ABATE Bowling Alley Scoreboard Patent Print |
| 1941 CHICARELLI CHARLES Bowling Ball Patent |