| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Germany | 3 | |
| #4 | Switzerland | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Turning | |
| #3 | Scaffolding | |
| #4 | Nails | |
| #5 | Cranes | |
| #6 | Belts or cables for driving | |
| #7 | Tools for connecting or disengaging | |
| #8 | Punching metal | |
| #9 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Armacost Robert H | 4 |
| #2 | Roberts Larry P | 1 |
| #3 | Gnoth Peter | 1 |
| #4 | Armacost Robert Harold | 1 |
| #5 | Stein Philip A | 1 |
| #6 | Geen Joseph H | 1 |
| #7 | Phillip Roberts Larry | 1 |
| #8 | A Palmer John | 1 |
| #9 | Luebbert William K | 1 |
| #10 | Robert H Armacost | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3297293A | Fastening device | |
| US3190160A | Slug shedder | |
| US3099079A | Tool for placement of bushings in a drill jig | |
| US3015242A | Liner bushings for slip renewable tool guide bushings | |
| CA881256A | Drill jig guide sleeve assembly | |
| CA901336A | Pin and bushing assembly | |
| CA673671A | Liner bushings for slip renewable tool guide bushings |