| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Unspecified technologies | |
| #3 | Making needles | |
| #4 | Diagnosis and surgery | |
| #5 | Venting or aerating devices | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hannah Dunmire | 7 |
| #2 | Eby Harry C | 4 |
| #3 | Dunmire Russell P | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3289675A | Tubular hypodermic needle | |
| US3236237A | Ampoule applicator | |
| GB1011301A | Hypodermic ampoules | |
| US3173200A | Methods of making sharp-edged metal articles | |
| US3105507A | Fluid relief valve | |
| US3094988A | Hypodermic ampoules | |
| US3094987A | Hypodermic ampoules | |
| US3089489A | Aspirating type hypodermic syringes | |
| CA765553A | Manufacture of hypodermic needles | |
| CA735226A | Hypodermic ampoules | |
| CA765614A | Sharp-edged metal articles and methods of making the same |