| 1928 FORRY Adjustable Game Device Patent Print |
| 1928 CODA Upholstery Filling Device Patent Print |
| 1928 VINCENT Rotary Toy Device Patent Print Art |
| 1928 HASLACHER ALFRED Game Device Patent Print |
| 1928 SPAULDING THOMAS Game Device Patent Print |
| 1928 RICHARD Wheel Anchoring Device Patent Print |
| 1928 CRUM LEO Exercising Device Patent Print Art |
| 1928 BILLIG FRED Signaling Device Patent Print |
| 1928 PETER Poultry Spraying Device Patent Print |
| 1928 JOHN OTTO Fishing Device Patent Print Art |
| 1928 THOMSON JOHN Exercising Device Patent Print |
| 1928 MACCALLUM Golf Practice Device Patent Print |
| 1928 SCHIERBURG Amusement Device Patent Print |
| 1928 GATES ERNEST Game Device Patent Print Art |
| 1928 LELAND BASS Tee Forming Device Patent Print |
| 1928 MILLS NOVELTY CO Brake Device Patent Print |
| 1928 WHITE GEORGE Signaling Device Patent Print |
| 1928 DE MOULIN Initiation Device Patent Print |
| 1928 ANATOLE PANALLE Safety Device Patent Print |
| 1928 FORD MOTOR CO Signaling Device Patent Print |
| 1928 SCHULTZ JOSEPH Alarm Device Patent Print |
| 1928 JAMES Golf Practice Device Patent Print Art |
| 1928 TODD Lateral Resistance Device Patent Print |
| 1928 SCHWENZER Bell Ringing Device Patent Print |
| 1928 KARNES Optical Reading Device Patent Print |
| 1928 REINHOLD BUKOW Tracking Device Patent Print |
| 1928 JOHN KRIES Locking Device Patent Print Art |
| 1928 WIDMYER ROBERT Signal Device Patent Print |
| 1928 PALUMBO JOSEPH Game Device Patent Print Art |
| 1928 PAUL BREEN Spiral Drive Device Patent Print |
| 1928 ELIE LESTAGE Game Device Patent Print Art |
| 1928 MILLER LOUIS Game Device Patent Print Art |
| 1928 CHRISTOPH Amusement Device Patent Print Art |
| 1928 ALEXANDER Toy Game Device Patent Print Art |
| 1928 TAPIO THOMAS Game Device Patent Print Art |
| 1928 LEE L VOSLER Exercising Device Patent Print |
| 1928 FELIX ARNOLD Swimming Device Patent Print |
| 1928 GALE EARL Game Device Patent Print Art |
| 1928 JOSEPH OSTAND Aerial Device Patent Print |
| 1928 HARTWIG MOHR Swimming Device Patent Print |
| 1928 BALLOU GEORGE Binding Device Patent Print |
| 1928 SHINN Turf Smoothing Device Patent Print |
| 1928 SCHMID JOHN Amusement Device Patent Print |
| 1928 GEORGE Switch Throwing Device Patent Print |
| 1928 DODGE Sound Responsive Device Patent Print |
| 1928 AUREL VASZIN Amusement Device Patent Print |
| 1928 CECIL MILLS Exercising Device Patent Print |
| 1928 NICK RUSHE Toilet Device Patent Print Art |
| 1928 HARRY TITUS Exercising Device Patent Print |
| 1928 HOOD Acoustic Signaling Device Patent Print |
| 1928 SCHERER Wheel Anchoring Device Patent Print |
| 1928 DOWDALL Spool Holding Device Patent Print |
| 1928 KENWORTHY BYRON Locking Device Patent Print |
| 1928 TULLOCH Electric Switch Device Patent Print |
| 1928 JOHNSON Car Retaining Device Patent Print |
| 1928 WATSON Wheeled Toy Device Patent Print Art |
| 1928 FIELD JACOB Game Device Patent Print Art |
| 1928 GRAVES CHARLES Locking Device Patent Print |
| 1928 POWIS AMBROSE Amusement Device Patent Print |
| 1928 BRITTON HYBARGER Signal Device Patent Print |
| 1928 JOHN MUSIAL Life Saving Device Patent Print |
| 1928 AYERS FRED Signaling Device Patent Print |
| 1928 HOLE WILLIS Mail Car Device Patent Print |
| 1928 MILBURN Wing Leveling Device Patent Print |
| 1928 STOCK JOHN Amusement Device Patent Print |
| 1928 MILTON Switch Throwing Device Patent Print |
| 1928 JOHN C LEHNE Game Device Patent Print Art |
| 1928 THOMAS Draft Hitching Device Patent Print |
| 1928 LEOPOLD MULLER Tuning Device Patent Print |
| 1928 KING Toy Motion Picture Device Patent Print |
| 1928 HENRY HOWARD Signaling Device Patent Print |
| 1928 ALFRED Sound Producing Device Patent Print |
| 1928 BAUMANN Parlor Bowling Device Patent Print |
| 1928 OTTO KERSTEN Signaling Device Patent Print |
| 1928 KARL Assemblage Point Device Patent Print |
| 1928 HILL CLARENCE Sanding Device Patent Print |
| 1928 FRANCIS HOGG Signal Device Patent Print Art |
| 1928 OSCAR PETERSON Brake Device Patent Print |
| 1928 OCTAVE ROUGE Amusement Device Patent Print |
| 1928 CLARK Rotary Amusement Device Patent Print |