| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Typewriters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Avery Henry Allen | 6 |
| #2 | Gabrielson Carl | 5 |
| #3 | Flanigan John J | 3 |
| #4 | Walker Charles | 3 |
| #5 | Barkdoll Joseph P | 3 |
| #6 | Bradt Charles H | 2 |
| #7 | Wade Willard H | 2 |
| #8 | Weis Paul B | 1 |
| #9 | Waucquez Charles | 1 |
| #10 | Gathmann Otto E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA390860A | Typewriter | |
| CA353987A | Type impression inking device | |
| CA435647A | Duplicating machine | |
| CA352228A | Typewriter | |
| CA407723A | Typewriter case shift mechanism | |
| CA348710A | Inking device | |
| CA434914A | Printing machine | |
| CA403669A | Typewriter | |
| CA403667A | Typewriter | |
| CA401537A | Duplicating machine | |
| CA348709A | Inking device | |
| CA510559A | Page end indicators for typewriters | |
| CA435645A | Typewriting machine | |
| CA342491A | Typewriter | |
| CA430954A | Typewriter | |
| CA391405A | Writing machine | |
| CA338382A | Line spacing mechanism | |
| CA403668A | Typewriter | |
| CA377202A | Typewriter fastener | |
| CA435646A | Duplicating machine |