| 1921 ISGRIG WALTER Clamp BADGER MFG CORP Patent |
| 1921 STEVENSON MFG CO Cattle Stall Patent Print |
| 1921 DE VOD Needle Clamp SINGER MFG CO Patent |
| 1921 BADGER MFG CORP Automobile Bumper Patent |
| 1921 SHODRON JOHN Stable JAMES MFG CO Patent |
| 1921 SINGER MFG CO Binder Patent Print Art |
| 1921 LEFEVER CHARLES Air Gun DAISY MFG CO Patent |
| 1921 KRAUSE HUGO Binder SINGER MFG CO Patent |
| 1921 SINGER MFG CO Adjustable Binder Patent |
| 1921 MARYLAND TOY MFG COMPANY INC Toy Patent |
| 1921 ENTERPRISE MFG CO Lubricating Device Patent |
| 1921 SINGER MFG CO Needle Clamp Patent Print Art |
| 1921 SINGER MFG CO Shaft Hanger Patent Print Art |
| 1921 SINGER MFG CO Sewing Machine Patent Print |
| 1921 JAMES MFG CO Stable Patent Print Art |
| 1921 MITCHELL MFG CO Stock Watering Bowl Patent |
| 1921 DAISY MFG COMPANY Magazine For Guns Patent |
| 1921 JAMES MFG CO Cattle Stanchion Patent Print |
| 1921 SINGER MFG CO Thread Tension Support Patent |
| 1921 SINGER MFG CO Machine Stand Patent Print |
| 1921 FRIED BERGER AARON MFG COMPANY Doll Patent |
| 1921 RATHBUN MFG COMPANY Fender Device Patent |
| 1921 MIAMI CYCLE & MFG CO Bicycle Pedal Patent |
| 1921 MASTERS MFG COMPANY Automobile Lock Patent |
| 1921 HASTINGS MFG CO Automobile Bumper Patent |
| 1921 HOLT MFG CO Anti Aircraft Gun Mount Patent |
| 1921 ENTERPRISE MFG CO Fishing Reel Patent Print |
| 1921 GREIST MFG CO Sewing Machine Ruffler Patent |
| 1921 SINGER MFG CO Button Sewing Machine Patent |
| 1921 DIEHL MFG CO Sewing Machine Motor Patent |
| 1921 PEREY MFG COMPANY Turnstile Patent Print |
| 1921 H M MFG COMPANY Rope Shipping Halter Patent |
| 1921 SINGER MFG CO Bag Sewing Machine Patent |
| 1921 PURITON MFG CORP Signal Patent Print Art |
| 1921 DAISY MFG CO Air Gun Patent Print Art |
| 1921 SINGER MFG CO Glove Sewing Machine Patent |
| 1921 BADGER MFG CORP Clamp Patent Print Art |
| 1921 PANTHER RUBBER MFG COMPANY Tread Patent |
| 1921 DE VOE Shaft Hanger SINGER MFG CO Patent |
| 1921 HEIDER MFG COMPANY Coaster Wagon Patent |