| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 94 | |
| #2 | Canada | 28 | |
| #3 | United Kingdom | 16 | |
| #4 | France | 12 | |
| #5 | Denmark | 6 | |
| #6 | Spain | 6 | |
| #7 | Switzerland | 5 | |
| #8 | Germany | 4 | |
| #9 | Austria | 1 | |
| #10 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Basic materials chemistry | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Martin Lynn P | 29 |
| #2 | Cuthbert William R | 11 |
| #3 | Lindemon William H | 9 |
| #4 | Mansheim Richard J | 7 |
| #5 | Brannon Roland L | 5 |
| #6 | Stempel Herman K | 5 |
| #7 | Hansen Lewis C | 5 |
| #8 | Sheaffer Craig R | 4 |
| #9 | Olson Wilbur K | 4 |
| #10 | Chesler Isidor | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US3356440A | Marking implement | |
| US3280969A | Package | |
| US3233594A | Fluid container | |
| GB977047A | Writing implement | |
| US3203401A | Eraser retaining and adjusting mechanism | |
| US3233275A | Writing implement | |
| US3153401A | Writing instrument | |
| US3112734A | Writing implement | |
| US3130710A | Clip assembly | |
| US3187724A | Writing instrument | |
| US3127874A | Writing implement | |
| US3057463A | Cartridge carrier | |
| ES253347A1 | Improvements in and relating to fountain pens | |
| US3073286A | Writing implement | |
| US3027613A | Pocket clip | |
| US3075496A | Writing instrument construction | |
| GB864038A | Improvements in or relating to writing instruments | |
| US3009240A | Method of and apparatus for assembling ball point writing tips | |
| US2919677A | Writing instrument | |
| ES233049A1 | Improvements introduced in the fountain pens (Machine-translation by Google Translate, not legally binding) |