| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Germany | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Measurement | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Hand-held nailing tools | |
| #3 | Physical training equipment | |
| #4 | Wood working | |
| #5 | General building constructions | |
| #6 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Omholt Ray E | 12 |
| #2 | Edward Omholt Ray | 1 |
| #3 | Omholt Ray Edward | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3593574A | Testing apparatus | |
| US3577694A | Flooring systems | |
| US3619963A | Flooring system | |
| US3521685A | Floor board installation tool | |
| US3439464A | Floor and wall system | |
| US3473281A | Flooring systems | |
| GB1152955A | Resilient Flooring Systems | |
| US3381730A | Clip driving tool | |
| US3405493A | Wall construction particularly for playing courts | |
| US3298653A | Anchoring structure for gymnasium floors | |
| US3271916A | Uniformly resilient flooring systems | |
| US3267630A | Flooring systems | |
| US3161886A | Spline tool |